Write the coordinates of the vertices after a dilation with a scale factor of 2, centered at the origin. P(-3,3)
Q(-1,3)
R(-1,5)
S(-3,5)

How to
P'( , ), Q'( , ), R'( , ), S'( , )

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.