Determine the slope (m) and y-intercept (b) of the line: Y = 1/2 X + 1

Solve the system of equations. y= 2x y= x^2 - 15

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

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?