Which expressions are equivalent to 3x + 2(x − 1) − 4? a.) 3x + 2x - 2 - 4 b.) 5x - 6 c.) 3(x - 4) d.) 3(x + 2) - 6 e.) 6(x - 1)

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 are the values of each variable in the diagram below?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle