During two plays at a football game, the Hawks had a gain of +10 yards followed by a loss of -3 yards. Did they have a total gain or loss of yardage at the end of the two plays? How many yards were gained or lost?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

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.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b