Solve the system by graphing.9x + y = 399x + y = 57
A. (36, 3)
B. (35, -276)
C. Dependent
D. Inconsistent
Answer: D
Mathematics
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Factor the expression completely.A silo is in the shape of a hemisphere atop a cylinder. The formula for its volume is 
A. 
r2(h + r)
B. ?r2(h + 
r3)
C. ?r2(h + 
r)
D. r2(h + 
r)
Mathematics
Decide whether the statement is true or false.The corresponding angles of two parallel lines cut by a transversal are always supplementary.
A. True B. False
Mathematics
Solve for x.
?
?
A. 4
B. 
C. 7
D. 3
E. 
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."5x3 - 135
A. 5(x - 15)(x2 + 15x + 45) B. 5(x - 3)(x2 + 3x + 9) C. 5(x + 3)(x2 - 3x + 9) D. 5(x - 3)(x2 - 3x + 9)
Mathematics