To make dough, reba needs 2 1 / 2 cups of flour. how much flour does she need to make 5 batches of dough? explain

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no