When a mathematician writes QED at the end of a proof, what does this mean? A. The proof cannot be completed.

B. The proof needs more reasons.

C. The proof is done.

D. The proof is too long

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

What is 140% of 25? because i need

Which strategy is used by public health to reduce the incidence of food poisoning?