Solve.Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 37 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 5
mph
B. 4
mph
C. 7
mph
D. 7
mph
Answer: D
Mathematics
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Solve the problem.Who am I? If you multiply me by 14 and add 28, the result is 98.
A. 6 B. 9 C. 5 D. 1400
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Minimize the function
?
?
subject to the constraint 
.
What will be an ideal response?
Mathematics
Use transformations to graph the function.y = -3 cos (x - 
)
A. 
B. 
C. 
D. 
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Multiply and then, if possible, simplify by factoring.
A. 2x4y4
B. 2
C. 4x8y8
D. 2x4y4
Mathematics