Solve the problem.Walt made an extra $10,000 last year from a part-time job. He invested part of the money at 7% and the rest at 9%. He made a total of $760 in interest. How much was invested at 9%?
A. $5000
B. $3000
C. $7000
D. $8000
Answer: B
Mathematics
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Solve the problem.When a pendulum of length 13 cm has swung so that ? is the radian measure of the angle formed by the pendulum and a vertical line, then if h cm is the vertical height of the pendulum above its lowest point, 
Find the vertical height when 
A. 22 B. 5.8 C. 12 D. 0.17
Mathematics
Write the augmented matrix for the system.8x + 4y = 56-2x + 8y = 58
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely using the trial and error method.96x2 + 56xy + 8y2
A. prime B. (24x + 8y)(4x + y) C. 8(3x + y)(4x + y) D. 8(3x - y)(4x - y)
Mathematics
Write an expression for the apparent nth term of the sequence. (Assume that n begins with 1.) 3, 8, 13, 18, 23
A. 
B. 
C. 
D. 
E. 
Mathematics