John bikes at a speed of 10 miles per hour the route john took yesterday took him 1.5 hours how long was the route

Acircle has a circumference of 7.850 units. what is its radius?

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62