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.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

With alll of except for the 2 that i did already