Simplify the following expression. (7x5 + 9x4 - 6x2 + 25) - (6x5 + 17x4 + 6x2 - 5) A. 13x5 - 8x4 + 12x2 - 30 B. x5 - 8x4 - 12x2 + 30 C. x5 + 8x4 + 12x2 - 30 D. 13x5 + 26x4 + 20

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.

Apply distributive property to write equivalent equation 105×35m