The function f(x) varies directly with x and f(x)=12 when x=8

which answer is the direct linear variation equation ?

a) f(x)=8x

b) f(x)=12x

c) f(x)=2/3x

d) f(x)= 3/2x

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.

We just started the introduction into circles and i have no idea how to do this.

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.