Solve the problem.Zach is planning to invest up to $40,000 in corporate and municipal bonds. The least he will invest in corporate bonds is $6000 and he does not want to invest more than $30,000 in corporate bonds. He also does not want to invest more than $32,616 in municipal bonds. The interest is 8.1% on corporate bonds and 6.1% on municipal bonds. This is simple interest for one year. What is the maximum income?
A. $13,040
B. $3040
C. $21,820
D. $33,040
Answer: B
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Factor by grouping.15x2 - 6xy + 10xy - 4y2
A. (3x - 2y)(5x - 2y) B. (3x + 2)(5x - 2) C. (15x + 2y)(x - 2y) D. (3x + 2y)(5x - 2y)
Solve the problem.The farther someone is from a light source, the less intense its light. The equation I = 
approximates the light intensity from a certain light source at a distance of d meters, where I is measured in watts per square meter. Find I for d = 2 meters and interpret the result.
A. 
= 6.25; the intensity is 6.25 W/m2 at 2 m.
B. 
= 25; the intensity is 25 W/m2 at 2 m.
C. 
= 12.5; the intensity is 12.5 W/m2 at 2 m.
D. 
= 1.5625; the intensity is 1.5625 W/m2 at 2 m.
Add the numbers.26 + 85
A. 112 B. 101 C. 111 D. 110
Solve.Six times some number added to 7 amounts to -17 added to the product of 3 and the number.
A. -24 B. -8 C. 24 D. 8