A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters.The spherical zone generated when the upper portion of the circle x2 + y2 = 144 on the interval 
is revolved about the x-axis.
A. 
? m3
B. 432? m3
C. 
? m3
D. 
m3
Answer: C
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Write the Hindu-Arabic numeral in expanded form.984,284
A. (9 × 105) + (8 × 104) + (4 × 103) + (2 × 102) + (8 × 101) + (4 × 100) B. (9 × 106) + (4 × 104) + (2 × 103) + (8 × 102) + (4 × 101) C. (9 × 100) + (8 × 101) + (4 × 102) + (2 × 103) + (8 × 104) + (4 × 105) D. (9 × 106) + (8 × 105) + (4 × 104) + (2 × 103) + (8 × 102) + (4 × 101)
Write a mathematical expression for the situation described.During a walk-a-thon, Rosilyn walked 16 fewer laps than June walked. If June walked b laps, how many laps did Rosilyn walk?
A. (16 - b) laps
B. 
laps
C. (b - 16) laps
D. (b + 16) laps
Find the least common multiple (LCM).48, 162, and 9
A. 324 B. 648 C. 432 D. 1296
Simplify the expression using the order of operations.2[-5 + 4(-6 + 8)]
A. 6 B. -8 C. -2 D. -4