Evaluate the expression, if possible.27-4/3
A. - 
B. 
C. 81
D. not a real number
Answer: B
Mathematics
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Find the length of the indicated portion of the curve.r(t) = (5 + 2t)i + (7 + 3t)j + (4 - 6t)k, -1 ? t ? 0
A. 7 B. 5 C. 8 D. 9
Mathematics
Solve. Use a calculator to approximate the irrational solutions to three places.x2 + 1 = 13
A. ±3.742 B. 2.606, -4.606 C. ±3.464 D. 2.606
Mathematics
Decide whether or not the ordered pair is a solution to the equation.3x + 5y = 19; (3, 2)
A. Yes B. No
Mathematics
Solve the equation and check your solution.
= 
A. 1, 13 B. -13 C. 13 D. 10
Mathematics