Sumi earns $6.30 in 1/2 hr at her job at the Pet food store. If she works for 60 hours how much will she make in total?

The image of the point (-6, -2)under a translation is (−7,0). find the coordinates of the image of the point (7,0) under the same translation.

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

What does independent variable and dependent variable mean in math?