If a circle has a radius of 12 and a sector defined by a 78 degree arc, what is the area, in cm2, of the sector? round your answer to the nearest tenth.

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Find the domain of the following expression: 1/(√x)-2

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%