A train leaves at 1314 and arrives at 1508. It travelled at an average speed of 105 km/h. How far did it travel? Give your answer in km to 1DP

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /