Stacy has 3 collector’s cards. She receives 1 more card each week that she volunteers at the student center. Let x = the number of weeks. Let y = the number of cards.

Show me how you find y and determine what y is you i appreciate it : )

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

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?