Combine the following, if possible.
+ 7
+ 5
A. 12x
B. 61x
C. 61x
D. 12x
Answer: B
You might also like to view...
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Multiply or divide as indicated.
? 
A. 
B. 
C. 
D. 7
Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.-10
+ 6
A. 3
B. -16
C. -4
D. 17
Solve the problem.One Internet service provider has the following rate schedule for high-speed Internet service:Monthly service charge$18.001st 50 hours of usefreeNext 50 hours of use$0.25/hourOver 100 hours of use$1.00/hourWhat is the charge for 50 hours of high-speed Internet use in one month?What is the charge for 75 hours of high-speed Internet use in one month?What is the charge for 135 hours of high-speed Internet use in one month?
Fill in the blank(s) with the appropriate word(s).