Find the least common multiple (LCM) of the given expressions.60, 80, 70
A. 560
B. 840
C. 240
D. 1680
Answer: D
Mathematics
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Solve the equation.2z2 + 2 = 100
A. {±8} B. {7} C. {±7} D. {50}
Mathematics
Find all of the real and imaginary zeros for the polynomial function.y = x4 + 6x3 + 14x2 + 30x + 45
A. -3, 
, -
B. -3, i
, -i
C. -3, 
D. -3, i
Mathematics
Solve the problem.The formula 
gives the relationship between F degrees Fahrenheit and C degrees Celsius. Find the Celsius temperature that is equivalent to 73.4°F.
A. 62°C B. 30.6°C C. 23.5°C D. 23°C
Mathematics
Solve the problem.The volume V of a right circular cylinder of height 2 and radius r is V(r) = 2?r2. Find the instantaneous rate of change of volume with respect to radius r when r = 7. Express the answer in terms of ?.
A. 98? ft3/ft B. 32? ft3/ft C. 28? ft3/ft D. 23? ft3/ft
Mathematics