F(b) = 7b^3 +8b and g(b) = b ^2+ b - 10. What is f(b)-g(b)?

Solve the inequality and graph 6j - 7 < 5

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite

Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?