Review the proof (not in order ) of the identity, HURRY TIMED TEST AND LOOK AT THE PICTURE

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Measures of the angle of r, 31 s (x+4) t (3x+9)

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum