There are 20 questions on a multiple choice test and each question has 4 options. Find the following probability What is the probability that you will get at least 1 question correct?

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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%