True or false? when doing linear regression, if the correlation coefficient is negative, the slope of the line is positive. a. true b. false

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Acircle has a circumference of 7.850 units. what is its radius?

Ineed someone to me answer my question i have to have this done and knocked out