Provide an appropriate response.How many days are in 360 hours?
A. 6 days
B. 12 days
C. 15 days
D. 30 days
Answer: C
Mathematics
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Insert parentheses in order to make the statement true.4 ? 9 - 3 = 24
A. 4 ? 9 (-3) = 24 B. 4 ? (9 - 3) = 24 C. (4 ? 9) - 3 = 24 D. (4)(9)(-3) = 24
Mathematics
Solve the mixture problem.A merchant has coffee worth $3 a pound that she wishes to mix with 60 pounds of coffee worth $7 a pound to get a mixture worth $6 a pound. How many pounds of the $3 coffee should be used?
A. 20 lb B. 40 lb C. 80 lb D. 10 lb
Mathematics
Solve by substitution.4x + y = 0x = 
y + 2
A. (1, -4) B. (1, 8) C. No solution D. (-1, 4)
Mathematics
Solve the formula for the indicated variable.S = 2?rh + 2?r2
for h
A. h = 
- 1
B. h = 2?(S - r)
C. h = 
D. h = S - r
Mathematics