Is the polynomial a difference of squares and if it is, factor the polynomial
y^2 - 9

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.