Solve by the substitution method.0.04x + 0.02y = 0.062x + y = 3
A. {(0, 3)}
B. 
C. {(x, y)| 0.04x + 0.02y = 0.06}
D. ?
Answer: C
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Find the least common multiple of the numbers in the group.8, 44
A. 352 B. 22 C. 44 D. 88
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Evaluate the expression or indicate that the root is not a real number.
A. 14,641
B. 11
C. 
D. Not a real number
Solve the problem.The Jillson's have up to $75,000 to invest. They decide that they want to have at least $40,000 invested in stable bonds yielding 6% and that no more than $20,000 should be invested in more volatile bonds yielding 12%.(a) Using x to denote the amount of money invested in the stable bonds and y the amount invested in the more volatile bonds, write a system of linear inequalities that describe the possible amounts of each investment.(b) Graph the system of inequalities. 
What will be an ideal response?