Does anyone know which could be modeled you

In angle pqr find the measure of

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'