The temperature rose from -4 F to 45 F in spearfish, South Dakota and only two minutes. By how many degrees does the temperature change?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

Collin did the work to see if 10 is a solution to the equation r/4=2.4