Solve the problem.Walt made an extra $9000 last year from a part-time job. He invested part of the money at 10% and the rest at 8%. He made a total of $840 in interest. How much was invested at 8%?
A. $3000
B. $6000
C. $7000
D. $4500
Answer: A
Mathematics
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List all the elements of B that belong to the specified set.B = 
Rational numbers
A. 20, -8, 0, 
, 
, 0.21
B. 20, -8, 0, 
C. 20, 0, 
D. 
, 
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 5
A. 
B. 
C. 
D. 
Mathematics
Find the slope-intercept form of the equation of the line with the given properties.x-intercept = 8; y-intercept = 5
A. y = 
x + 5
B. y = - 
x + 5
C. y = - 
x + 8
D. y = - 
x + 8
Mathematics
Combine the following, if possible.12
+ x
A. 13x
B. 12x
C. 13x2
D. 12x2
Mathematics