14. An elevator on the top floor starts to descend at a constant rate, as shown by the graph. Write numbers in the boxes to find the slope. Write an equation in y = mx + b form to represent
the situation. (4pts: 1pt work, Ipt m, lpt b, 1pt equations-4pts)
Elevator during Descent
175. 160
220
€ 200
180
160
5 140
120
100
80
60
40
20
Height Above Ground (ft)
N110,120)
y =
5 10 15 20 25 30 35 40 45 5055
Time (s)
2
slope:
1
equation:

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.