PLZZZ HELP All of the following expressions are equivalent to 12 w+ 6, except
(3 + 6 w)2
6(1 + 2 w)
-1(-12 w-6)
-1(12 w-6)

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?