Alana wants to calculate the cost for a membership, including the one-time fee and possible lengths of time she may use it. She found a coupon for 10% off the total cost. Alana wrote the expression below to find the new amount with the discount, where m represents the number of months. Select the part of Alana's expression that has a mistake.

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2