Jane threw a basketball up in the air. the following table represents the height f(t), in meters, of the ball above the ground at time t seconds:

time (t)
(in seconds) height f(t)
(in meters)
2 10
4 15
6 10
8 0

which of the following is represented by the x-intercept of f(t)?

a. the ball reaches the maximum height in 4 seconds.

b. the ball reaches a maximum height of 15 meters.

c. the ball was thrown from a height of 10 meters.

d. the ball touches the ground after 8 seconds.

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

Which expression is equivalent to sq-80

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?