An online show store offers 15% off the regular retail price of all of the shoes they carry. The shoes you purchased from them cost $56.10 (not including shipping and tax) (A) using x as the regular retail price, write an equation that models this problem.

(B) what was the regular retail price

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?