Clear fractions then solve by substitution.x + 
y = y - 3
x - y = 5x - y
A. {(0, 4)}
B. {(1, 4)}
C. {(5, 0)}
D. ?
Answer: A
Mathematics
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Use the discriminant to determine the number of real solutions.v2 - 7v + 8 = 0
A. No real solutions B. Two real solutions C. One real solution
Mathematics
Answer the question.Dimitri walked a distance of 2 miles to deliver a storage box. He stopped every 
mile to rest. How many times did Dimitri stop?
A. 6 times B. 9 times C. 7 times D. 5 times
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = 2 - 4i and w = 2 + 7i. Find zw.
A. 32 + 6i B. 32 - 6i C. -28i2 + 6i - 4 D. -24 - 22i
Mathematics
Rewrite with positive exponents, and simplify, if possible.512-1/3
A. 
B. 
C. 
D. 
Mathematics