A scented candle is in the shape of a cylinder. The radius is 4 cm and the height is 12 cm. Find the mass of the wax needed to make the candle if 1 cubic centimeter of wax has a mass of 3.5g. Round to the nearest tenth.

Arandom high school question but a hard one

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

What is perpendicular to y=-1/2x+11