Can Somebody please help The train was scheduled to arrive at 7:15 p. m. It arrived 2 hours and 10 minutes late. Find the time the train arrived?

What is the smallest integer n such that n\sqrt{2} is greater than 20

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.