A boat travels for three hours with a current of 3 mph and then returns the same distance against the current in four hours. What is
the boat's speed in calm water? How far did the boat travel one way?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?

When 60% of a number is added to the number the result is 192 what is the bumber