Solve the problem.Jason made an extra $9000 last year from a part-time job. He invested part of the money at a 10% annual rate of interest and the rest at 7%. If the total annual earnings were $780, how much money was invested at 7%?
A. $4000
B. $4500
C. $7000
D. $5000
Answer: A
Mathematics
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Find the unknown coordinate so that the ordered pair is a solution to the given equation.y = 4x + 2, ( ? , 18)
A. 8
B. 4
C. 
D. -4
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Simplify the expression.(23)2
A. 12 B. 64 C. 32 D. 36
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In a right triangle, if angle B = 40ø, find angles A and C.
a. A = 60ø, C = 80ø
b. A = 70ø, C = 90ø
c. A = 40ø, C = 90ø
d. A = 40ø, C = 100ø
e. A = 50ø, C = 90ø
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Use a graphing calculator to solve the equation. Round to two decimal places.
= 5
A. -0.6 B. 0.6 C. 1.4 D. -1.4
Mathematics