Spiral Review 99
15. Roberto paid $35.75 for dinner at a restaurant, plus an additional $7.15
tip. What percent of the bill did he pay as a tip? Round to the nearest
percent, if necessary.

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!

what are the statments

step-by-step explanation: