Jayden is driving to a concert and needs to pay for parking. There is an automatic fee of $9 just to enter the parking lot, and when he leaves the lot, he will have to pay an
additional $3 for every hour he had his car in the lot. How much total money would
Jayden have to pay for parking if he left his car in the lot for 4 hours? How much
would Jayden have to pay if he left his car in the lot for t hours?

1). $21

2). $9 + $3t

Step-by-step explanation:

1). 9+3(4)=a

   9+12=a

   a=21

2). 9+3(t)

    9+3t

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.

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step-by-step explanation: