When heated, the temperature of a sample of liquid water increased from 15 C to 39C. It absorbed 4300 joules of heat. What is the mass of the sample? ( must show work)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.