Susan received $25.50 a gift card for a photo center. She used it to buy prints that cost 7 cents each. The remaining balance, b (in dollars), on the card after buying x prints is given by the following function. What is the remaining balance on the card if Susan bought prints?

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?