Solve the equation.3(1 + 2x) = 243
A. {-2}
B. {6}
C. {2}
D. {81}
Answer: C
Mathematics
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Solve the problem.Find the center of mass of the thin semicircular region of constant density 
bounded by the 
and the curve 
.
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Mathematics
Solve the problem.If the list price is $151.49 and the discount price is $98.57, how much is saved by buying at discount?
A. $52.92 B. $63.92 C. $53.92 D. $62.92
Mathematics
Match the given equation with one of the graphs.49x2 + 9y2 = 441
A. 
B. 
C. 
D. 
Mathematics
A certain strain of bacteria divides every three hours. If a colony is started with 50 bacteria, then the time t (in hours) required for the colony to grow to N bacteria is given by  figure 1.png)
. Find the time required for the colony to grow to two million bacteria.
What will be an ideal response?
Mathematics