Vic has 40 marbles, all are either yellow or blue. He gives half his yellow marbles to mark. After this Vic has 27 marbles left. How many blue marbles does he have?

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?