Factor by grouping.x2 + 4x - 2x - 8
A. (x2 - 2)(x + 4)
B. (x2 + 4)(x - 2)
C. (x + 2)(x - 4)
D. (x - 2)(x + 4)
Answer: D
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Use trigonometric identities to find the exact value.
A. 
B. 
C. 
D. 
Solve the problem.James has set up an ordinary annuity to save for his retirement in 16 years. If his monthly payments are $225 and the annuity has an annual interest rate of 7%, what will be the value of the annuity when he retires?
A. $79,260.33 B. $83,260.33 C. $59,445.24 D. $68,163.88
Perform the indicated operation
On a recent math test a student missed 5 True/False questions worth 3 points a piece and 2 word problems worth 3.5 points each. If the total number of points possible was 100, what was the student’s score?
Evaluate the expression for the given values. If necessary, round to the nearest tenth.(x + 4y)2 x = 2, y = 2
A. 36 B. 100 C. 20 D. 10