Recent activity by David Portabella

Recent activity by David Portabella

select the correct answer from the drop-down menu. Richard wants to install a paver patio in the shape shown the dotted line represents a line of symmetry. how many square yards of paver does Richard need

asked Aug 16, 2023

1 answer 29.5k views

Find the product 54,612 x 46?

answered Aug 8, 2023

1 answer 94.9k views

PLEASE HELP: Explain why most substances are carbon compounds?

asked Jul 25, 2023

2 answers 219k views

Verify trigonometric identiy

answered Jul 22, 2023

1 answer 229k views

HELP PLEASE. Check picture. I have tried but cannot seem to get it.

asked Jul 18, 2023

2 answers 196k views

There are 36 students in a class and 2/3 of them are female. how many students are female and male

asked Jul 1, 2023

1 answer 105k views

In the diagram, how many circles are there for each square?

answered May 23, 2023

2 answers 34.0k views

Difference between homologous and analogous organs

answered Apr 26, 2023

2 answers 211k views

I already did the first slide but it ahs to do with the second one. Please answer in complete sentences

answered Feb 18, 2023

1 answer 8.5k views

Your uncle is 2 years older than 3 times your age. You are x years old. Write an expression to describe your uncles age. It would be a lot helpful if you could answer this! :D

answered Dec 13, 2022

2 answers 162k views

In a class of 50 students,35 like horror movies, 30 ike war movie and 5 like.Find the numbers of students who like both.set math solution

asked Nov 22, 2022

1 answer 110k views

Rachel made 276dollors for 12hours of work. At the same rate, how much would she make for 17hours of work?

asked Sep 16, 2022

2 answers 14.4k views

HELPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!

answered Aug 21, 2022

2 answers 108k views

Drag and drop the answer into the box to match each multiplication problem. 0.45×104= 0.45 × 1,000,000= 0.45 × 100=

answered Aug 6, 2022

2 answers 144k views

As increased global trade had effects across the globe, the extent and nature of cultural exchange differed from one place to another. West Africa was deeply involved in this growing economy through the

asked Jul 25, 2022

1 answer 150k views

Why is balance important? How does balance affect your environment? How does balance affect your life? what sorts of things are out of balance in our modern world?

asked Jun 19, 2022

1 answer 74.0k views

What role do DNA and genes play in the inheritance of traits?

asked Jun 2, 2022

1 answer 127k views

What does the future hold for skyscrapers?

answered May 26, 2022

1 answer 127k views

How did the Union find out about General Lee's plan for the Battle of Antietam a. A Union Spy reported the plans b. The plans were lost and intercepted by a Union Soldier c. Lee wanted to give the Union

asked Mar 24, 2022

1 answer 208k views

In a pinball machine, the launching spring with a spring constant of 30 N/m is compressed 0.15 m. How fast will it launch a 0.20 kg pinball?

asked Feb 19, 2022

1 answer 219k views

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