Determine whether the expression is a polynomial. If it is, state how many terms and variables the polynomial contains. Then state its degree.-6b - 4a - my

A. Yes; 3; 3; 2
B. Yes; 3; 4; 2
C. Yes; 3; 3; 1
D. No


Answer: B

Mathematics

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Solve the system by substitution. 0.05x + 0.06y = 0.03-0.05x + y = 3.15

A. ? B. {(3, -3)} C. {(-0.3, 0.3)} D. {(-3, 3)}

Mathematics

Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number.  - 

A.
B.
C.
D.

Mathematics

Solve the problem.The average price (in dollars) to rent a studio in a certain city can be approximated by the equation  where t is the number of years since 1990. Solve this equation for t and use the new equation to determine approximately what year it will be when the average price of a studio in this city reaches $1240.00.

A. 2010 B. 2011 C. 2013 D. 2012

Mathematics

Determine whether the quadratic equation has a maximum or minimum value, then find the maximum or minimum value of the equation.y = 2x2 - 2x - 4

A. maximum; - 
B. minimum; - 
C. minimum; 
D. maximum; 

Mathematics