Dexter has four different coins in his pocket. He has 1 quarter 1 nickel 1 dime and 1 penny he randomly selects a coin from his pocket, replaces it, and selects another coin. What is the probability that both coins are dimes

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Suppose 38 lbs of coffee beans are required to produce 2 lbs of farmer's coffee. how many lbs of coffee beans are required to produce 309 lbs of farmer's coffee?

The graph shows how many words per minute two students read. drag to the table the unit rate that matches each graph.