a 540-mile, 10 hour trip was driven in two legs. For the first leg of the trip, the average speed was 65 mph. Then the traffic increased, and the remainder of the trip was driven at an average speed of 50 mph. For how long was the car driven at each speed?

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.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?