What number is halfway between 8.270 and 8.280?

Will mark brainliest with 20 points! the table shows how far object 1 traveled as a function of time. *time (seconds) - 2 4 6 8 *distance traveled (feet) - 18 36 54 72 the equation shows how far object 2 traveled in feet as a function of time in minutes. *f(x) = 10x which object traveled at a faster speed? justify your response.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Which of the following parabolas opens down?