Can someone check if my answer is correct? you!

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

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?