Is 976 - 522 more or less than 400? Explain how you can tell without actually subtracting.

a ball is thrown into the air with an upward velocity of 24 ft/s. its height h in the wet after t seconds is given the function h = - 16t² + 24t + 5. what us the height if the ball at 3 seconds

Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people are randomly selected, find the probability that their mean blood pressure will be less than 125. a) 0.9938 b) 0.9998 c) 0.

Terry has 3 pairs of pants: black, khaki, and brown, and 4 shirts: yellow, red, blue, and white. He does not care which colors he wears together.

What is 98% as a fraction in simplest form

According to a study, 91% of all adults have a cell phone. An employee of a cell phone company attends a community event and has a special offer to give to first time cell phone owners.

Find the slope of the line whose equation is 7x - 2y = 4. 7/2 - 2 4/7

Mr. hershman has purchased a farm that is in the shape of a rectangle. the dimensions of the piece of land are 1.3 km by 3.15 km. how many square kilometers did he buy, and how many hectares did he purchase

Which of the following number is divisible by 5 729, 86, 970, 52

Martina has a spinner with sections of equal size on section is labled left the other labled right what is the total sections the spinner should have and why

Ryan is planning a party for 138 people. Paper plates are sold in packs of twelve. How many packs of paper does ryan need to buy so each guest has a plate