Brynn and denise launch their rockets at the same time. the height of brynn’s rocket, in meters, is given by the function f(x)=−4.9x^2+75x , where x is the number of seconds after the launch. the height of denise’s rocket, in meters, is given by the function g(x)=−4.9x^2+50x+38 , where x is the number of seconds after the launch. there is a moment when the rockets are at the same height. what is this height rounded to the nearest tenth of a meter?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

A.s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s

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?