Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. a + 2
- b
B. a + b
C. a - b
D. a - 2
+ b
Answer: C
Mathematics
You might also like to view...
Determine if the given polar coordinates represent the same point.(1, ?/4), (-1, -?/4)
A. No B. Yes
Mathematics
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 1
; 
B. 1
; 
C. 2
; 
D. 5
; 
Mathematics
Decide whether the situation involves permutations or combinations.A blend of 4 spices taken from 6 spices on a spice rack.
A. Permutation B. Combination
Mathematics
Solve the problem.Consider the partial map of the streets in a certain city shown below. What is the total number of routes (with no backtracking) from A to B 
Fill in the blank(s) with the appropriate word(s).
Mathematics