Which of the following equations represent linear functions? y=x2−3x

4x+y=5

y=|2x+1|

y=−5

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?

If 20% of a number is 35, what is 50% of that number?

Solve the equation by completing the square. x^2+2x=17