Parallel and perpendicular lines
question: find the slope of a line perpendicular to 3x + 5y = 15
answers: a. -5/3 b. -3/5 c. 3/5 d. 5/3
if someone could me with this subject i would greatly appreciate it!

The actual length of side t is 0.045 cm. use the scale drawing to find the actual side length of w. a) 0.06 cm b) 0.075 cm c) 0.45 cm d) 0.75 cm

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?

Will mark name all segments skew to bc