Subtract the fractions. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Decide whether the expression is or is not an identity.
= 0
A. Identity B. Not an identity
Mathematics
Solve the inequality.
< 
+ 1 or 
> 
A. (-?, 0) ? (15, ?) B. (-?, 0) ? [9, ?) C. (-?, 0] ? (21, ?) D. (-?, 0) ? (21, ?)
Mathematics
Find the measure of the side of the right triangle whose length is designated by a lowercase letter. Round your answer to the nearest whole number.
A. a = 18 cm B. a = 1 cm C. a = 7 cm D. a = 8 cm
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (3, 0), m = -1
A. y = -3x B. y = x - 3 C. y = 3x D. y = -x + 3
Mathematics