Find the prime factorization of the composite number.231
A. 21 ? 11
B. 72 ? 3
C. 3 ? 7 ? 11
D. 32 ? 11
Answer: C
Mathematics
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Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
a = 16.0 ft, b = 42.0 ft
A. 873.0 ft2 B. Not enough data C. 571.5 ft2 D. 772.5 ft2
Mathematics
Solve the system by the substitution method. Be sure to check all proposed solutions.x + y = 6y = 2x
A. {(-2, 8)} B. {(2, 4)} C. {(3, 3)} D. {(1, 5)}
Mathematics
Evaluate.log64 
A. 
B. -8
C. 8
D. -
Mathematics
Sketch the graph of f by hand.f(x) = 
A. 
B. 
C. 
D. 
Mathematics