Determine whether the set of vectors is orthogonal.
, 
, 
A. No
B. Yes
Answer: A
Mathematics
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Perform the indicated operations.2 ? 3 + 4(10 + 7) + 7
A. 81 B. 102 C. 245 D. 60
Mathematics
Add or subtract measurement numbers, rounding to the correct precision.120.5 w + 16.4 w + 1.417 w
A. 138 w B. 138.32 w C. 138.317 w D. 138.3 w
Mathematics
Use the given graph of the polynomial function to estimate the x-intercepts.
A. -3, -1, 2 B. -3, -1, 2 C. -3, -1, 0, 2 D. -1, 0, 2
Mathematics
Solve the problem.A triangular-shaped room needs to be carpeted. The room has sides measuring 14.3 yards, 
and 
Carpeting costs $22.78 per square yard, padding costs 
per square yard, and there is no charge for installation. Approximate the cost, to the nearest dollar, to carpet the room.
A. $1708 B. $68 C. $2087 D. $388
Mathematics