For the first 500 minutes used each month, the customer is charged a flat rate of $50. these 500 minutes are "included" in their monthly plan.
for any additional minutes used, the customer is charged an additional $.10 per minute.
is it linear

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re