Determine an estimate of the exact answer. Use estimation by rounding.Andy wants to buy a refrigerator for $699, a stove for $359, and a dishwasher for $249. Round each cost to the nearest hundred to estimate the total cost.
A. $1400
B. $1200
C. $1300
D. $1100
Answer: C
Mathematics
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Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.3x6 - 27x4
A. 3x4(x - 3)2 B. 3x4(x + 3)2 C. 3x(x + 3)(x - 3) D. 3x4(x + 3)(x - 3)
Mathematics
Determine the domain and the range of the function.f(x) = x2 + 8x + 7
A. domain: range: {x|x ? 4} range: {y|y ? 9} B. domain: all real numbers range: {y|y ? 9} C. domain: all real numbers range: {y|y ? -9} D. domain: range: {x|x ? 4} range: {y|y ? -9}
Mathematics
Combine like terms.3x - 7x
A. -4x2 B. 10x C. -4x D. 4x
Mathematics