The spray from a lawn sprinkler makes a circle with a 20 foot radius if Ben and his friends want to play and get wet how much space would they have?

Solve the system of equations. y= 2x y= x^2 - 15

Find the value of x. round the length to the nearest tenth

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