Recent activity by Wu Yongzheng

Recent activity by Wu Yongzheng

Simplify: 2a^6 b^6)(3a^-5 b^-7)

answered Jul 17, 2023

1 answer 164k views

When musicians improvised with cue sheets during the silent film era, this was known as

answered Jun 20, 2023

2 answers 9.0k views

Sally's wallet contains• 5 quarters• 3 dimes• 8 nickels• 4 penniesSally will randomly choose a coin, replace it, and randomly choose another coin. What is teh probability thatshe will choose a dime and

answered May 15, 2023

2 answers 67.5k views

Please help I’m confused

answered May 14, 2023

2 answers 151k views

Write an equation in standard form of the hyperbola described. Focus (4, 0); vertex (2, 0); center (0, 0)

answered Mar 15, 2023

1 answer 37.4k views

Find the missing number?

answered Feb 28, 2023

2 answers 116k views

El no_____lo que estava viendo esa noche

asked Feb 12, 2023

2 answers 96.1k views

The pentagons ABCDE and JKL MN are similar. Find the length x of JK. C 3 B N D 4 E 3 A 7 2.1 1.4 K M X 2.8 N 2.1 J

answered Jan 21, 2023

2 answers 198k views

2 ACTIVITY: Estimating a Percents Work with a partner. Use a model to estimate the answer to each question. b. 5 is what percent of 20?

answered Jan 17, 2023

2 answers 124k views

8 days would be 4 or 2 to the second power answer

asked Jan 15, 2023

2 answers 229k views

Identify and define common types of run-on sentences.

answered Dec 30, 2022

2 answers 166k views

when the required amount of one solution has been added to the second solution to complete the reaction

answered Dec 18, 2022

1 answer 220k views

tiffany makes money by commission rates. She gets 21% of everything she sells. If tiffany sold $27000 worth of items this month, what is her salary for the month .

answered Dec 15, 2022

1 answer 189k views

Based on the image above, how would planting trees affect the carbon cycle?

answered Dec 8, 2022

1 answer 220k views

Help! What does the description in "The Unknown Citizen" suggest is the citizen's main characteristic? A his happiness B his normalcy C his discontent D his popularity

answered Oct 31, 2022

1 answer 15.1k views

If s = 36, what is the value of 2−s? −38 - 38 −34 - 34 34 34 38

asked Oct 19, 2022

2 answers 81.7k views

What is the percent of African and Asian people that migrated to the US in 1965-2015

asked Aug 12, 2022

1 answer 138k views

Sierra applies a coat of epoxy paint to the four sides and floor of a rectangular swimming pool. The pool is 4 feet deep, 18 feet long, and 12 feet wide. One gallon of paint covers 155 square feet. Does

asked Aug 9, 2022

2 answers 120k views

You just found out you have to have a cavity filled! UGH! The dentist office informs you that a filling usually costs $150, but that sometimes it can vary but that it will only vary AT MOST $20. What is

answered Jun 30, 2022

1 answer 81.7k views

Glossopteris was a seed-bearing fern of the Paleozoic era. Scientists have discovered fossils of Glossopteris on all of the southern continents, including Antarctica. Use Glossopteris to construct an explanation

asked Jun 7, 2022

1 answer 88.8k views

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