The area of a trapezoid is 260 cm2. If the bases have lengths of 12 and 14, what is the height? a 10
b 15
c 20
d 13

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18