Solutions of equations for x^3+8x-10x-8

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Which shows the pre image of triangle xyz

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t