Simplify the expression.
?
A. 
?
B.
?
C.
?
D.
?
E.
Answer: B
Mathematics
You might also like to view...
Multiply and simplify.(
+ 
)(
- 
)
A. 1
B. 12 + 2
C. 23
D. 12 - 4
Mathematics
Graph.y = (x + 3)2 
A. 
B. 
C. 
D. 
Mathematics
Use the pH scale to solve the problem. Use the given concentration [H+] of a substance to calculate the pH value of the substance and classify the substance as an acid or a base. Round to two decimal places.[H+] = 5.2 × 10-5
A. pH ? 5.72, base B. pH ? 2.60, acid C. pH ? 4.28, acid D. pH ? 6.28, acid
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics