For problems d-g, find the measures of the angles marked
d, e, f, and g in this parallelogram.

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

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

X+y=-4 x-y=2 use elimination with adding and subtraction