ANSWER THIS IN SIMPLEST FORM! GIVING OUT BRAINLIEST TO WHOEVER HELPS ME WITH THIS, TYSM!!! ❤️ 50 POINTS

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.

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Find the dimensions of the circle. area = 64π in.² r= in.