A rocket is launched from ground level with an initial velocity of
225 ft/sec. Write an equation
which models this situation if x is
time in seconds and y is feet the
rocket is above the ground.

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. what fraction of kathy’s money was left?

Find the domain of the following expression: 1/(√x)-2

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