Write an equation in point-slope form, y – y1 = m(x – x1), of the line through points (1, –8) and (9, 8) use (1, –8) as the point (x1, y1).
a (y – 8) = –2(x + 1)
b (y – 8) = 2(x + 1)
c (y + 8) = –2(x – 1)
d (y + 8) = 2(x – 1)

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

The two expressions below have the same value when rounded to the nearest hundredth. log5 b log9 48 what is the approximate value of log b to the nearest hundredth? 0.93 1.23 9.16 65.53

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?