Suppose that x is normally distributed with a mean of 20 and a standard deviation of 15. what is p(-7.45 ≤ x ≤ 54.95)?

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.