Recent activity by Hong Pei

Recent activity by Hong Pei

Money is pretty old but nobody knows exactly how old it is. Perhaps the oldest evidence of people using money is in the Code of Ur-Nammu. The Code of Ur-Nammu is a system of laws written around 2050 BC.

answered Dec 28, 2023

2 answers 104k views

Each one of these sentences contains a common mistake made by English speakers who are learning Spanish - trying to use a possessive S. Correct each sentence to reflect the proper way to express possession

asked Nov 19, 2023

1 answer 147k views

The ratio of the number of oranges in a fruit salad to people served is 9/40. If Lisa wants to serve 800 people, how many oranges will Lisa use?

answered Oct 18, 2023

2 answers 140k views

A steel ball bearing is rolling back and forth on a U-shaped track. Explain how potential and kinetic energy are transferred back and forth as the ball bearing moves. Also, tell when the ball bearing will

asked Aug 27, 2023

1 answer 118k views

What is the volume of a cube with a equal side to 1 foot

asked Apr 24, 2023

1 answer 166k views

What is the name of the compound Si5F7? A. Pentasilicon hexafluoride B. Sulfur fluoride C. Pentasilicon heptafluoride D. Silicon fluoride

asked Mar 23, 2023

1 answer 144k views

HELP ME PLEASEE PLEASE PLEASE!!!

asked Mar 1, 2023

1 answer 195k views

TIMELINE Why is the line between Queen Elizabeth's birth and coronation not a solid line?

answered Feb 2, 2023

1 answer 107k views

Sorry this is the picture

asked Jan 15, 2023

2 answers 90.1k views

Is it true or false that Cells combine to form organ systems, organ systems combine to form tissue, and tissues combine to form organs.

asked Nov 11, 2022

2 answers 7.4k views

HELP!!!! I need help with this, if anyone could help, that would be nice!!!!!

answered Oct 7, 2022

2 answers 18.1k views

The Moon's orbit of Earth is due to the attractive forces explained by Newton's Universal Law of Gravitation. What observable phenomena naturally result from the Moon's orbit? tides seasons solar flares

asked Oct 6, 2022

1 answer 65.6k views

Can someone help me p

asked Sep 8, 2022

2 answers 182k views

Sara read 1/6 of the newspaper in 1/3 of an hour. How long did it take her to read the whole paper?

answered Sep 3, 2022

1 answer 36.7k views

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

answered Aug 8, 2022

2 answers 221k views

A science club has a muffin sale. Each bag has 25 muffins. There are 630 muffins to sell. About how many bags of muffins are there?

answered Jun 27, 2022

2 answers 127k views

Read the passage. Binary Fission In prokaryotic organisms and protozoa, the process of cell division is called binary fission. In this process, two cells are produced through the division of a living prokaryotic

answered Jun 19, 2022

1 answer 89.4k views

Solve [(x+7) x 3-5] / 4 = 7 What is the first step in this equation

answered Jun 17, 2022

1 answer 211k views

Work out the median for each group of numbers. 3, 5, 7, 7, 8, 10, 11, 11, 14 10, 11, 13, 14, 16, 18, 20, 20 3, 4, 6, 6, 6, 7, 8, 9, 10 41, 43, 44, 46, 48, 49, 50, 50, 53, 54

answered Apr 11, 2022

2 answers 47.8k views

Tikiya is conducting experiments on samples of pure copper (Cu). While collecting data, Tikiya records both physical and chemical properties of the metal. Which of the following is dependent on the amount

asked Mar 19, 2022

2 answers 193k views

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