Y varies directly as x, and y = 10 when x = 2.5. Find y if x = 18. ​

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

What is the measure of angle 1? a.28 b.152 c.168 d.64