Simplify 4 (5c ÷4d)-16 show me how you figure it out to put the numbers in this and i'll be asking two more questions for the night or 3

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300