Solve the system of equations using elimination. 
A. 
B. (20a, -3)
C. 
D. 
Answer: D
Mathematics
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Raise the fraction to the indicated power.36
A. 36 B. 729 C. 5 D. 18
Mathematics
Match the function with the graph.
A. g(x) = (-x + 6)2 B. g(x) = (-x - 6)2 C. g(x) = -x2 - 6 D. g(x) = -x2 + 6
Mathematics
Factor the square of the binomial.x2 + 18xy + 81y2
A. (x - 9y)2 B. (x + 9y)2 C. (x + 9y)(x - 9y) D. (x + 18y)(x - 18y)
Mathematics
Solve using a proportion. Round your answer to the nearest hundredth when necessary.It is recommended that there be at least 9.2 square feet of floor space in a classroom for every student in the class. Find the minimum floor space that 39 students require. Round to the nearest tenth if necessary.
A. 423.9 square feet B. 358.8 square feet C. 9.2 square feet D. 23.6 square feet
Mathematics