Given side lengths of 20, 30, and 15 and side lengths of 5,3 and 9. Only onè of these sets of sides will create a triangle. Which set of sides creates a triangle and why?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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)

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)