Raina is riding on a bike that is 40 miles long. so far, she has ridden 28 miles of the course. what percentage of yhe course has raina ridden so far?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

What is the anwers for 9+2x=5x-3-x