Trinity is twice the age of Summer. The sum of their ages is 42. How old is Summer? A. 14
B. 28
C. 21
D. 84

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?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

What is the rate of change of a line that passes through (2,-5) and (6,-2)?