Write a positive or a negative number ro repersent each situation

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

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

Which of the following is the shape of a cross section of the figure shown below