Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. 
B. {(6, 4)}
C. 
D. no solution; ?
Answer: D
Mathematics
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Solve the problem.You decide to put in a large sidewalk around a garden which measures 2 feet by 3 feet. The dimensions of the combined sidewalk/garden are to be 6 feet. by 10 feet. What is the area of the sidewalk only?
A. 54 sq. ft B. 60 sq. ft C. 28 sq. ft D. 6 sq. ft
Mathematics
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.4 B. 0.04 C. 11 D. 0.5
Mathematics
Simplify by using the associative property of multiplication.3(
p2)
A. 
p2
B. 11p2
C. 
p2
D. 24p2
Mathematics
Solve the equation.3(x + 4) = (3x + 12)
A. {0} B. {24} C. all real numbers D. no solution
Mathematics