9. The perimeter of a rectangle is 30. The width of the rectangle is 3 less than the length. Write an equation to represent the situation. Solve the equation to find the
width and length

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.