The function f(x) =-2x +70 can be used to determine how much money he hhas left over after x rides? What does f(17) represent

What is sin 7x/4 ? i need on this urgent trig

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Which table shows a proportional relationship between miles traveled and gas used?