2. What is the length of the hypotenuse in the right triangle below? 3 in.
5 in.
Note: The figure is not drawn to scale.
less than 5 inches
between 6 and 7 inches
between 5 and 6 inches
more than 7 inches

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?