Provide an appropriate response.Perform the indicated operations: -2 × 11 + 
- 8
A. -23
B. -13
C. -28
D. -32
Answer: D
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the region in the first octant enclosed by the cylinder 
and the plane 
.
A. 
B. 
C. 
D. 
Solve the given applied problems involving variation.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 1.4 ohm when the diameter is 1 mm and the length is 280 cm, what is the resistance when the diameter is 4 mm and the length is 1870 cm?
A. 0.584 ohm B. 116.875 ohm C. 163.625 ohm D. 2.338 ohm
Find T, N, and B for the given space curve.r(t) = (ln(cos t) + 2)i + 8j + (3 + t )k, -?/2 < t < ?/2
A. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = -j B. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = j C. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = -j D. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = j
Simplify the expression.
A. cot x B. csc x C. tan x D. sec x