Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 70°, find the length of OQ accurate to four decimal places. 
A. 0.3420
B. 0.9397
C. 2.9238
D. 2.7475
Answer: A
Mathematics
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Solve the problem.The volume of a cube with sides of length s is given by V = s3. Find the volume of the cube.
A. 19,683 x6 yd3 B. 81 x4 yd3 C. 729 x9 yd3 D. 1458 x2 yd3
Mathematics
Specify the domain of the function.f(x) = -2
A. x = -2 B. x ? 0 C. All real numbers D. x ? -2
Mathematics
Use the remainder theorem to find the remainder when f(x) is divided by the given x - k.f(x) = x2 + 2x + 5; x + 2
A. 5 B. -5 C. -3 D. -13
Mathematics
Round the addend as indicated before performing the addition.Estimate the sum by rounding each number to the nearest hundred.5691 + 7224 + 3947
A. 16,900 B. 18,000 C. 16,800 D. 16,000
Mathematics