Mr. Robins earns a commission on each airfare he books. at the end of the day, he had booked $208.60 worth of airfare and earned $31.29. What is Mr. Robins' commission rate?

Mr. Robins' commission rate is %.

im so stupid please help

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

I'm terrible at math any here is appreciated.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2