Alamp was marked up 100% from an original purchase cost of $30. yesterday, suzie sold the lamp, earning a 20% commission on the sale price. how much commission did she make from this sale?

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.

(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?

Write a linear funtion f with the values f(2)=-1, and f(5)=4