Solve the problem using matrices.Jenny receives $1270 per year from three different investments totaling $20,000. One of the investments pays 
the second one pays 8%, and the third one pays 5%. If the money invested at 8% is $1500 less than the amount invested at 5%, how much money has Jenny invested in the investment that pays 6%?
A. $1500
B. $10,000
C. $4500
D. $8500
Answer: A
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A. 0, 1.05, 3.14, 5.24 B. 0, 2.09, 4.19 C. 1.05, 3.14, 5.24 D. 0, 2.09, 3.14, 4.19
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Find the constant of proportionality for the stated conditions: z is directly proportional to t, and 
when 
.
Fill in the blank(s) with the appropriate word(s).
Find the x- and y-intercepts of f.f(x) = 2x3(x + 2)3
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