Answer these questions.
the quotient of the value of the sum of 30 and 35, and the value of the positive difference of 10 and 15

When are two distinct non vertical lines parallel

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Find the values of the variables and the lengths of the sides of this kite.