Mattt's parents pay him $5.50 for each half hour he babysits his sister, plus a $2 tip. if matt made $18.50, for how long did he babysit?

The difference between tax advoidance and tax evasion

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

Which is an equation of a circle with center (2, 7) and radius 4? (x - 7)2 + (y - 2)2 = 16 (x - 2)2 + (y - 7)2 = 4 (x – 2)2 + (y - 7)2 = 16 (x + 2)2 + (y + 7)2 = 4