Which could be the area of one lateral face of the triangular prism? - 7.5 ft² - 15 ft² - 20 ft² -39 ft²

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2