On a field trip there are 3 adults for every 45 students. Which graph models a relationship with the same unit rate?

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

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 give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)