Hello,
5i or -5i since there would be at least 4 roots
Answer B and E
Tom will get £166
Ben will get £581
2+3.25g=y
G would be the independent variable, which means the total cost would depend on it since it depends on the number of games you bowl. Y could be any variable, such as T or C.
2+3.25g=y
The equation has 1 solution
