A survey of 400 students showed that 50% of them bring their lunch everyday how many students bring their lunch over there

Samantha has 4 boxes of action figures. Each box contains 198 figures. Which expression shows a strategy Samantha can use to find the product of 4 X 198?

Which is a better measure of spread range or interquartile range? Why?

Lyle shot three times as many baskets as Cliff. Kylebshot 12 more baskets than Cliff. If Lyle and Kyle ahoy the same number of baskets, how many baskets did he make of them shoot?

Teri has a bag of colored marbles. Five marbles are red, four are green, ten are blue, and one is white. Marbles are randomly selected out of the bag. What is the probability of selecting a green marble and then a blue marble with replacement?

Solve the equation. Negative StartFraction 9 Over 15 EndFraction y + StartFraction 3 Over 21 EndFraction = StartFraction 5 Over 15 EndFraction y minus StartFraction 14 Over 21 EndFraction What is the solution?

What is 230,000 written in scientific notation?

Work out the value of 2a + ay when a = 5 and y = - 3

Ashton estimates the square root of 72 in the following way: √72 = 2√36=2*6=12 A) Explain why his reasoning is incorrect. B) Estimate the square root of 72 to the nearest tenth without using your calculator. Show your work.

Laura tiene 30 años menos que su padre y este tiene el cuadruple de los años de su hija. cual es la edad de cada uno ayudenme por favor

On Monday, Daniel and Emily decided to see how fast they could sprint 400 meters. They asked their friend Ben to time them with a stopwatch. After 4.53 seconds, Ben agreed to time the runners. Daniel sprinted first and ran 400 meters in 64.