Which equation can be used to find q, the number of quarters Alex has? 0.25q + 0.05(q – 84) = 17.80
0.05q + 0.25(84 – q) = 17.80
0.25(q – 84) + 0.05q = 17.80
0.05(84 – q) + 0.25q = 17.80

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.

Solve the formula ax+ by = c for x.

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3