If a number is odd that it has a remainder of one when divided by two which is the hypothesis of the conditional

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)=x+7 and g(x)=1/x what is (fog)(x)

Math i have no idea how to do a and b