Jessica has 1800 charges on her credit cards. she plans to pay them by means of monthly payments of 180. In what time Jesica will be able to pay his debt.

a. y= -180 x + 1800 b. y= 180 x + 1800 c. y= 1800 x + 180 d. y= -1800 x + 180

In how many time she will be able to pay the debt

a. 6 months b. 9 months c. 10 months d. 12 months

Expres the cost in dollars like a linear function of the units sold.

a. C= -850q +3 b. C= 850q +3 c. C= -3q + 850 d. C= 3q + 850

How many units they will produce if the total cost is $1600

a.225 b.250 c.275 d.325