Afriend gives you two baseball cards for your birthday. afterward, you begin collecting them. you buy the same number of cards once each other week. the equation y= 4x + 2 describes the number of cards, y, you have x after weeks

Solve for the equation. 4x - 13 = 2x + 9

Renee hiked for 6 3 /4 miles. after resting, renee hiked back along the same route for 5 1 /4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.

Aliaa is skating down a ramp. the wheels on her skateboard have diameters of 60 \text{ mm}60 mm60, space, m, m. what is the distance aliaa travels when her skateboard wheels make 202020 revolutions? round your answer to the nearest \text{mm}mmm, m.