Solve the system using elimination.2x + 5y = 135x + 3y = 4
A. (-1, 3)
B. (1, -3)
C. (1, 3)
D. (-1, -3)
Answer: A
Mathematics
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A. -44 B. -142 C. 142 D. 44
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Find the volume of the solid. When appropriate, use ? ? 3.14 and round to the nearest hundredth.Use 3.14 for ?.
A. 163.28 ft3 B. 2612.48 ft3 C. 326.56 ft3 D. 653.12 ft3
Mathematics
Find the opposite of the expression.5m + 2
A. -5m + 2 B. 5m - 2 C. -5m - 2 D. 5m + 2
Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. - 
B. 
C. -6
D. - 
Mathematics