David walks `50` feet in one direction and Elijah walks `30`feet in the opposite direction. If they turn to wave at each other, how far apart are they?

ghjmutmum

step-by-step explanation:

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.