Suppose the radius of a circle is 7. What is its area?

The difference of the answers between (-2) ^4 and - 2^4

What is the scientific notation of 0.0008331

The radius of mars is about 3,390 kilometers. a spacecraft orbits 365 kilometers above the surface of mars. what is the distance the spacecraft travels in a single orbit of mars? round your answer to the nearest kilometer and use 3.14 for π.

What is 1 2/3 times 4/5 in simplest form

40 is rounded to the nearest whole write down the minimum possible length it could have been

Lisa made 18 blueberry muffins. if each muffin contained 6 blueberries. how many total blueberries did lisa use?

What is the value lof X in the equation 8x-2y=48, When y=4

What is the square root of 45*2 rounded

Your class is conducting an experiment to study geometric sequences. The class forms a line. The first person takes a whole pizza, divides it in half, keeps half, and hands the other half to the next person.

A speed reader can read 850 words per minute. An average reader can read 1/7 that speed. how many words per minute does an average reader read?