Rationalize the denominator.
A. 
(
+ 1)
B. 
(
+ 1)
C. 
(
+ 1)
D. 
(
- 1)
Answer: C
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, 0)} B. no solution; ? C. {(-1, 1)} D. {(-2, 1)}
Mathematics
Translate to a proportion. Do not solve.31.3% of 72 is what?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Given the following function, find the indicated values. Then write the corresponding ordered pairs.Find h(-1), h(0), and h(-2) when h(x) = x2 + 2x + 1
A. (-1, 0), (0, 1), (-2, 1) B. (-1, 4), (0, 1), (-2, 9) C. (-1, 0), (0, 1), (-2, -1) D. (-1, 4), (0, 0), (-2, 7)
Mathematics
Evaluate the exponential expression.62
A. 49 B. 64 C. 36 D. 12
Mathematics