Given U=0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A=0, 2, 4, 6, 8, and B=1, 3, 5, 7 find n(A)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with