Find the difference.12 - (-4)
A. 8
B. -16
C. 16
D. -8
Answer: C
Mathematics
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Find T, N, and B for the given space curve.r(t) = (ln(cos t) + 2)i + 10j + (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
Mathematics
Find a number to replace the question mark so that the given fractions are equivalent.
= 
A. 3 B. 63 C. 21 D. 42
Mathematics
Solve.-3.1 = z - 8.5
A. -5.4 B. 11.6 C. -11.6 D. 5.4
Mathematics
Find the tax rate for the area. Round to the nearest tenth of a percent.Total tax needed: $948,000Total assessed value: $148,720,000
A. 0.6% B. 0.5% C. 6.00% D. 0.8%
Mathematics