It costs $45 to rent a car each day. there is also a fee of $12.how much does it cost to rent a car for 5 days, including the fee? write an equation for each problem. use a variable for the unknown. solve.

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Acircle has a circumference of 28.36 units what is the diameter of the circle