Which is the value of x that makes the given equation true? show all the steps to prove your answer is correct. x – 3x = 2(4 + x) a- x=-2 b- x=0 c- x=2

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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%

Someone which statements are true? check all that apply.