10. A rectangle is 8 feet long and 6 feet wide. If each side is increased by the same amount, the the length and the width of the new rectangle.
area of the new rectangle is 72 square feet more than the area of the original rectangle. Find the length and the width of the new rectangle

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

How do i do this activity, is appreciated

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)