A rectangle has a width of x and a length that is 13 less than twice its width. Which rectangle shows the same relationship? A rectangle with a length of 2 x minus 13 and width of x.
A rectangle with a length of 2 (x minus 13) and width of x.
A rectangle with a length of x + 2 and width of x minus 13.
A rectangle with a length of 13 minus 2 x and width of x.

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?