connie has 20 coins, all of which are nickels or dimes. she has a total of $1.25. how many nickels does connie have.

What is 1/2 x (6 x 4)+3 + 2 show your work

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.

Issof claims that the scale factor is 1/2. which statement about his claim is correct