If y directly with x, and y=5 when x=8, how do you write the direct liner variation and what is the value of x when y=15?

Which of the following is true for the relation f(x)=2x^2+1

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 the length and width of a 84.5 square foot rug? will mark