Simplify the expression using the order of operations.[7 + (-4)]2
A. 121
B. 9
C. 65
D. 33
Answer: B
Mathematics
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Add.
A. 307 B. 406 C. 405 D. 506
Mathematics
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
Mathematics
Find A-1 if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
Factor completely.20x2 - 23xy + 6y2
A. prime B. (4x + 3y)(5x + 2y) C. (4x - 3y)(5x - 2y) D. (20x + 3y)(x + 2y)
Mathematics