Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Complete.13 km/h = 
mph (Round to the nearest thousandth.)
A. 19.617 B. 20.917 C. 8.073 D. 9.373
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(4x7y-4)-3
A. 
B. 
C. 4x7y12
D. 
Mathematics
Complete.6 km = 
mi (Round to the nearest tenth.)
A. 6.4 B. 9.7 C. 3.7 D. 5.7
Mathematics
Determine what kind of function might be used as a model for the data.
A. Linear: f(x) = mx + b B. Polynomial, but neither quadratic nor linear C. Quadratic: f(x) = ax2 + bx + c, a < 0 D. Quadratic: f(x) = ax2 + bx + c, a > 0
Mathematics