What's greater 2 pecks are 15 quarts

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

Need plz been trying to do it for a long time and still haven’t succeeded