Necesito ayuda en estas operaciones de las ultimas dos hojas

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

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.