Which of the following is equal to the expression below? (4-5)^3
ОА 1/4^2
O B.1/4^15
O C. -4^15
OD. -4^2

Which of the following are parts of a sphere

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%

In the diagram of circle o, what is the measure of zabc?