Contribution margin?

How is selective boarding school will only admit students who plays at least 2.5 standard deviation above the mean on a standardized test that has a mean of 100 and a standard deviation of 24.

mikayla had 132 of candy. zack had one fourth as much candy as mikayla. kim has three times as much candy as zack. how many total pieces of candy did they collect on halloween night?

A tour bus travels 2,160 miles in 36 hours. What is the average distance the bus travels in one hour?

Slope intercept form of (1,1) (2,-2)

A 27-foot pole casts a 25-foot shadow. at the same time, a nearby tower casts a 45-foot shadow. how tall is the tower?

Michelle wants to borrow $2000. She has two options. Option 1 - she can borrow $2000 for 3 years at 7%. Option 2 - she can borrow $2000 for / years at 11%. Which loan will cost more?

Twins Ben and Michael claim that they can communicate telepathically. To test the claim, a researcher plans to put the twins in separate rooms. Five chips of different colors (red, blue, green, yellow, and white) will be placed in a bag.

Jo is flipping a fair coin. If the coin is truly fair, how many times should it land on heads if he flips the coin 200 times

The diameter of a bowling ball is 12.57 centimeters. What is this value rounded to the nearest tenth of a centimeter?

The temperature of dry ice is - 109.3°F, which is 183.6°F less than the outside temperature. What is the outside temperature?