Which number line represents all the values of x for the equation x^2=16?

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Find the area of the regular hexagon if a side is 20 cm.