Factor the trinomial completely.x2 + 8xy - 128y2
A. (x - 16y)(x + 8y)
B. (x - 16y)(x + y)
C. (x + 16y)(x - 8y)
D. Prime
Answer: C
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Solve the problem.An electron has a 1.6 x 10-19 C negative charge. How much work is done in separating two electrons from 2.4 pm to 7.3 pm?
A. 13 x 10-16 N ? m B. 6.4 x 10-17 N ? m C. 3.6 x 10-17 N ? m D. 7.2 x 10-39 N ? m
Use a calculator to find the value of y in degrees rounded to two decimal places.y = sin-1 0.9128
A. 67.89° B. 70.89° C. 65.89° D. 60.89°
Find the midpoint of the segment having the given endpoints.(-0.9, -0.3) and (2.2, -2.3)
A. (1.55, -1) B. (-1, 1.55) C. (-1.3, 0.65) D. (0.65, -1.3)
Using the Rule of 78, find the amount of unearned interest for the loan paid in full before the date of maturity. Round to the nearest cent.Finance charge: $6668Total number of payments: 48Remaining number of payments, when paid in full: 12
A. $390.15 B. $461.09 C. $374.22 D. $442.27