If the line passing through the points (1, a) and (2, -8) is parallel to the line passing through the points (9, 8) and (2, a + 10), what is the value of a?
?
a = __________
Fill in the blank(s) with the appropriate word(s).
-9
Mathematics
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Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Find a polar equation for the curve represented by the given Cartesian equation.
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Mathematics
Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.2 × 8
A. 16
B. 10
C. 16
D. 16
Mathematics
True or False?
 figure 1.png)
Mathematics