Solve the following equations for x.
5x + 4y = 27 x-2y=11
A. x = 3
B. x = 9
C. x = 4.5
D. x = 7
If x = 8, what's the value of y in the equation:
y = (x2 ÷ 4) - 2?
A. 14
B. 16
C. 18
D. 20
If a rectangle has a perimeter of 36 feet, and it's 4-feet wide, what's its area?
A. 56 square feet
B. 128 square feet
C. 112 square feet
D. 16 square feet
A cylinder has a diameter of 12 inches and a height of 10 inches. What's its approximate volume?
A. 4,521 cubic inches
B. 120 cubic inches
C. 1,130 cubic inches
D. 1,440 cubic inches
2 feet 4 inches + 4 feet 8 inches = __________.
A. 6 feet 8 inches
B. 7 feet
C. 7 feet 2 inches
D. 8 feet