15. The following cylinder has a surface area of 659.4 cm². What is the height of the cylinder? Use 3.14 for pi. 7 cm h 07.5 cm O 7 cm 8 cm 9 cm​

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.

Use the distributive law to multiply. 3(4x + 5y + 6)

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)