The area of the front face of a rectangular prism is 12 cm2. the area of the top face is 16 cm2, and the area of the right side face is 20 cm2. what is the surface area of the rectangular prism?

Ineed with math stuff it involves graphs

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?