Amini laptop computer is on sale for 40% off the regular price of $450. how much is the discount? a. $18 b. $27 c. $180 d. $270

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Prove that 16^4-2^13-4^5 is divisible by 11.

Find the tenth term in the following geometric sequence. 8, 4, 2, 1, . .a) 13b) 0.0078c) 0.0156d) 12.5