Solve the problem. Express any improper fraction as a whole or mixed number.A = 78
square feet
A. 20 ft
B. 10
ft
C. 3
ft
D. 10 ft
Answer: D
Mathematics
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Combine like terms.-7z - 6z - 8z
A. -21z2 B. 21z C. -21z D. 21z2
Mathematics
Write four additional terms of the geometric sequence.8, 12, 18, . . .
A. 45, 112.5, 291.25, 728.125 B. 27, 40.5, 60.75, 91.125 C. 45, 112.5, 281.25, 703.125 D. 27, 40.5, 1954, 5857
Mathematics
Provide an appropriate response.If the trinomial 
is a perfect square, what can we conclude about the equation ax2 + bx + c = 0?
A. The equation has no real solutions. B. The equation has two rational solutions. C. The equation has one irrational solution. D. The equation has one rational solution.
Mathematics
Multiply.4 ? (-4) ? (-11) ? (-5)
A. -880 B. 181 C. 880 D. -16
Mathematics