Natasha's total cholesterol count is 312mg/dL and her HDL cholesterol is 42mg/dL. Find the ratio of her total cholesterol to her HDL cholesterol. Simplify your answer.

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')