Solve for the variable.-9x + 1 = -7 + 7x
A. x = 
B. x = 
C. x = 2
D. x = - 2
Answer: A
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For the given function f(x), find a bound for the indicated remainder term on the given interval.f(x) = (1 + x)-3; R2; a = 0; [-0.5, 0.5]
A. 48.0000 B. 80.0000 C. 0.1097 D. 1.3333
Find the center of mass of the wire that lies along the curve r and has density ?.r(t) = (2 cos 3t)i +(2 sin 3t) j + 6tk, 0 ? t ? 2?; ?(x, y, z) = 3(1 + sin 3t cos 3t)
A. 
B. 
C. 
D. 
Subtract the fractions. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest dollar unless otherwise stated.A watch shop made the following purchases of watchbands:Beginning inventory:15 watchbands at $66.00August:24 watchbands at $42.10October:26 watchbands at $38.70November:13 watchbands at $76.00Inventory at year end shows that 17 watchbands remain. Find the inventory value using the weighted average, FIFO, and LIFO methods.
A. Weighted average: $871 FIFO: $1292 LIFO: $1122 B. Weighted average: $1292 FIFO: $1143 LIFO: $1074 C. Weighted average: $1292 FIFO: $1143 LIFO: $1122 D. Weighted average: $871 FIFO: $1143 LIFO: $1074