Joey drives his Skidoo 7 kilometers north. He stops for lunch and then drives 5 kilometers east. what's the distance did he cover? what's was his displacement?

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

Determine the maximum r-value of the polar equation r =3+3 cos 0