Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Answer: D
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Find the component of u along v if u = (-6,7) and v = (3,4).
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Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = -2 B. continuous everywhere C. discontinuous only when x = -16 D. discontinuous only when x = 8
Determine the value of x or ? as requested. Round results to an appropriate number of significant digits.Determine the value of x.
A. 5.6 ft B. 20.0 ft C. 6.5 ft D. 17.1 ft
Solve the proportion problem.Tanya Forester discovered an old family photograph in the attic. It measured 2 inches wide and 3 inches long. She had a length of frame molding she could cut up to build a frame that could hold a picture with a perimeter of 33 inches. If the old photograph is enlarged to fit in that frame, what are the length and width of the enlarged photograph?
A. Length: 10.9 inches; width: 7.6 inches B. Length: 9.4 inches; width: 7.6 inches C. Length: 9.9 inches; width: 6.1 inches D. Length:9.9 inches; width: 6.6 inches