A rectangle is 12 feet long and 5 feet wide. If the length of the rectangle is increased by 25% and the width is decreased by 20%, what is the
change in the area of the rectangle?
The change in the area of the rectangle is
square feet

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a