Tell whether the expression is a polynomial. If it is, give its degree.-9
A. Polynomial, degree 0
B. Polynomial, degree -9
C. Polynomial, degree 1
D. Not a polynomial
Answer: A
Mathematics
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Simplify. Write the expression as a single logarithm with a coefficient of 1.3 ln (w2) - ln (7w9)
A. ln (w6 - 7w9)
B. ln (3w2 - 7w9)
C. ln 
D. ln 
Mathematics
Estimate the product.28.4 × 2.7
A. 90 B. 80 C. 77 D. 9
Mathematics
Solve the problem.An auto repair shop charged a customer $532 to repair a car. The bill listed $92 for parts and the remainder for labor. If the cost of labor is $55 per hour, how many hours of labor did it take to repair the car?
A. 7 hr B. 9 hr C. 8.5 hr D. 8 hr
Mathematics
First, write the value or values of the variable that make a denominator zero. Then solve the equation.
+ 
= 
A. 2; {1} B. 1; {1} C. -1, 2; {1, 2} D. 1; ?
Mathematics