Two rectangles have the same width. one is 12 units long and the other is 8 units long. the area of the first rectangle is 320 square units more than the area of the second rectangle. find the width of each rectangle.

Find the domain and range of the following function f(x) = 51x - 21+ 4

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Care repairs are less than or equal to $500