Iwas charged $1.20 for sales tax when i spent $20 . how much sales tax would i pay on a purchase of $50?

Which expression is equivalent to 3^3 + 2^2?

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2