Simplify.-13 + 18 - (-6) - 13 + (-3)
A. -5
B. 9
C. 21
D. -21
Answer: A
Mathematics
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By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. tan ? = sec ? sin ?
A. No B. Yes
Mathematics
Translate the sentence to an inequality.Three times a number less twenty-one must be more than thirty.
A. 3(x - 21) ? 30 B. 3(x - 21) > 30 C. 3x - 21 ? 30 D. 3x - 21 > 30
Mathematics
Solve the inequality. Graph your solution on a number line, and write your solution in interval notation.-9 ? 3(x - 3) ? 15
A. (-6, 2)
B. [0, 8]
C. (0, 8)
D. [-6, 2]
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors.log3
A. - 3log3x
B. 
log3x - 3
C. 9 - 
log3x
D. log3x - 3
Mathematics