Find the solutions to the system of equations by the addition method.-7x + 7y = 283x + 3y = -12
A. (-5, 0)
B. (-4, 0)
C. (-5, 1)
D. (-4, 1)
Answer: B
Mathematics
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Multiply.-8(9)
A. 72 B. 62 C. -64 D. -72
Mathematics
Refer to the figure below and answer true or false in every problems.
 FIGURE.png)
1. DA+AG= DG.
2. ?1 and ?2 are complementary.
3. ?EAF is a right angle.
4. E is on 
5. ?1 and ?DAE are adjacent.
Mathematics
Rewrite the ratio as a ratio of natural logarithms and simplify.
A. 
B. 2
C. 
D. 
Mathematics
Find 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics