Simplify 6 - 2^3 + (-9 + 5) • 2.
-10
-12
6
-8

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Ineed if you could explain and give me the answer you! this needs done

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