Two tickets to an ice skating performance costs $36. For five tickets it costs $90, and for nine tickets it costs $162.

what is the constant of proportionality and what does it mean?

What is the value of this expression when b= 5 6 (2b-4)

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.