Collect like terms.6a - 2a + 4
A. -4a + 4
B. 8a
C. 4a + 4
D. 8a + 4
Answer: C
Mathematics
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State the number of significant digits and the implied precision of the given number.212.2
A. 4 significant digits, precise to the nearest tenth B. 1 significant digit, precise to the nearest tenth C. 1 significant digit, precise to the nearest unit D. 4 significant digits, precise to the nearest unit
Mathematics
Add or subtract. Assume that variables represent nonnegative values.
- 2
- 10
A. -162
B. -74
C. 74
D. 98
Mathematics
Find the slope of the line containing the pair of points.
, 
A. No slope B. -1 C. -2 D. 2
Mathematics
Find the requested number.6 more than a number is 3. What is the number?
A. 2 B. -3 C. 3 D. -2
Mathematics