Erika calculated that she would spend $115 on school supplies this year. she actually spent $82.50 on school supplies. what is erika’s percent of error?
28.3%
2.8%
39.4%
32.5%

Select the lengths in centimeters that would form a right triangle

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

What is the value of x? enter your answer in the box.