By decreasing each dimension by 1 unit, the area of a rectangle decreased from 20 square feet (on the left) to 12 square feet (on the right). find the percent decrease in area.

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Which expression is rational? 6. , square root two, square root 14, square root 49

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent