What is -8 (7r-8)-3r=10-5r? i got r=1 for the answer but im not entirely sure im right

Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x