If a storm window has an area of 640 square inches, what is the equation to find the dimensions when the window is 20 inches higher than it is wide (x represents height)?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true