100x^3– 700x^2 – 81x + 567; x-7
a. (10x – 9)
b. (100x2 - 81)
C. (10x -9)(10x - )
d. (10x-9)(10x + 9)

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2

Point q is equidistant from the sides of ∠tsr. find m∠rst.

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?