Which expression is equivalent to 6a + 15? a. 6(a + 5) b. 3(2a + 5) c. 3(3a + 12) d. 6(a + 12) : )

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units

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.

Write as a product of two polynomials. 2(3–b)+5(b–3)^2