Solve the equation
r/2 - 6 = 14
a)r=40
b)r=34
c)r=20
d)r=16

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

How can you construct perpendicular lines and prove theorems about perpendicular lines