Solve the problem.Bob can overhaul a boat's diesel inboard engine in 30 hours. His apprentice takes 60 hours to do the same job. How long would it take them working together assuming no gain or loss in efficiency?
A. 90 hr
B. 20 hr
C. 12 hr
D. 8 hr
Answer: B
Mathematics
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Evaluate using Table 1
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 3(x + 1)2 - 3
A. 
B. 
C. 
D. 
Mathematics
Solve.Throw Me for a Loop Bagels determines that it costs them 
dollars to make x dozen bagels in one day. Find the equivalent expression for C(x) by factoring out 
.
A. 
(150 + x - 0.1x2)
B. - 
(150 - x + 0.1x2)
C. 
(150 - x - 0.1x2)
D. 
x(150 - 0.1x)
Mathematics
Solve by elimination and check.x + y = -8x - y = 4
A. (2, -5) B. (-3, -5) C. No solution D. (-2, -6)
Mathematics