Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.
A. (0, 1)
B. (1, 0)
C. (0, 0)
D. (1, 1)
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Mathematics
Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.15.8 + 12.445
A. -3.355 B. 3.355 C. 28.245 D. 28.345
Mathematics
Find the magnitude of the indicated vector.If v = -4i + 3j, find the magnitude of 2v.
A. 2
B. -10
C. 10
D. 2i
Mathematics
Solve.
- 7 = 
- 3
A. 80
B. 
C. - 80
D. - 
Mathematics