Number 1 is A, number 2 is B number three is D
Step-by-step explanation:

<h2>METHOD 1.</h2>

<h2>METHOD 2.</h2>

<h2>METHOD 3.</h2>

<h2>METHOD 4.</h2>

Given
Find out the what was the insurance company's payment .
To proof
As given
Sally Jones pays $50.00 a month for group health insurance
There is a $300 deductible
Her medical bills for the last year were $2,600.00
Linda's insurance company provided payment of 80% of the bills less the deductible.
Deductible
The amount of money you will pay in an insurance claim before the insurance company starts paying you.
medical bill reducing the deductible = $2,600 - $300
= $2300
80 % is written in the decimal form

= 0.8
than the equation becomes
Linda's insurance company provided payment = 0.8× 2300
= $1840
Therefore the the insurance company's payment be $1840 .
Hence proved
For linear functions, the rate of change<span> is constant, which means that it is the same between any two points on the line. For linear functions, the </span>rate of change<span> is the slope of the line.</span>