Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 8  - 3xy 

A. 2x2y2
B. 5xy3
C. 5x2y3
D. 2 xy2

Answer: D

Mathematics

You might also like to view...

Find the area of the surface generated by revolving the curve about the indicated axis.  y = , 3/2 ? x ? 9/2; x-axis

A. ?
B.  ?
C. ?
D.  ?

View
Mathematics

Simplify. +  

A.
B.
C.
D.

View
Mathematics

Factor. Check by multiplying.45 - 10x

A. 5(9 - 2x) B. 5(9 - 10x) C. 5(2 - 9x) D. (9 - 2)5x

View
Mathematics

Solve the problem.In a test, a teacher gives 2 points for each multiple choice question answered correctly and 5 points for each short answer question answered correctly. If Jim correctly answered x multiple choice questions and y short answer questions, write an equation that shows the possible combinations of multiple choice questions and short answer questions if he got a total of 47 points.

A. 10 + xy = 47 B. (2 + x) + (5 + y) = 47 C. 2x + 5y = 47 D. 5x + 2y = 47

View
Mathematics