Emily is raising money for a school trip by selling lollipops and packs of cookies. yesterday emily sold 18 lollipops and 7 packs of cookies for a total revenue of $28.50. today she sold 15 lollipops and 6 packs of cookies for a total revenue of $24. write a system of equations that could be used to determine the price of each lollipop and the price of each pack of cookies. define the variables that you use to write the system.

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

step-by-step explanation:

the shape,the size and the distance

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58