I need help i dont understand

The linear function y = 7x + 2 represents the cost y, in dollars, of buying x tickets, including a one time service fee.
What does the slope represent?
A. the service fee
B. the cost per ticket
C. the number of tickets bought
D. the number of tickets bought for $1

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

a negative exponent is translated as follows:

so, we have

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it