Which is the best reason why 3/5 is the exact quotient for 1/2 ÷ 5/6?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?