Brainliest and 50 more points if you get it right

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points