Evaluate the expression 15 - n when n = 9

Suppose you were to do a new study. Assume that the higher standard deviation of 2.64 applies to the whole population. Your hypothesis is that the multisport athletes and rugby players have a difference in mean BMI of about 5.0.

Does 7 (y-8) = 7y+42 have one solution, no solution, or infinite solutions

Six more than fives times a number (x) is at least 21. I need an inequality.

Ow to turn a decimal into a percent

Factor x2 + 2x + 1 show your work

A model rocket is launched and follows the path of a parabola for 10 seconds until it lands. At which time would the rockets height be neither increasing or decreasing?

Three coins are in a bag. the first coin flips heads with probability 50%, the second coin flips heads with probability 60%, and the third coin flips heads with probability 70%. i pull out a coin and flip heads.

How many tissues should the kimberly clark corporation package of kleenex contain? researchers determined that 60 tissues is the mean number of tissues used during a cold.

The roots of the equation 2x^2+3x-5=0 are

Can a triangle be drawn with the following angle measurements? 45, 55, 65. Why or why not?