Dan scored 27,70,62,80 on his first test. what does he need to score his 5th test so he can average 75?

Answer this 30 points and brainliest!

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?