hypotenuse of 24 and 45 its 51

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?