Ben's birthday party will cost $18 if he invites 5 guests. The relationship between the number of guests and the party cost is directly proportional. If there are 6 guests, how much will the party cost?

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Which is f(5) for the function –2x2 + 2x - 3?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?