Someone me with these and can you show work. i have a lot of math due and i could really use the , you.

The product of two negative rational numbers is always zero sometimes zero never zero

Which math sentence can be used to determine if the triangle is a right triangle?

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