5. A July 4th promotion included a $5.00 mail-in rebate for the purchase of a picnic cooler and a store coupon for $0.50 off the
price of a case of 24 cans of soda. For the company picnic,
Carl Rhiel purchased a 48-quart cooler for $32.99 and a case of
soda for $6.99. What did the cooler cost after the rebate if an
envelope costs $0.20 and a Forever stamp costs $0.41?

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Step-by-step explanation:

step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is