Two numbers total 57 and have a difference of 21. Find the two numbers.

Find the solution of system of equation y= x-4 y=4x+2

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin