To hang a 9-ft hammock from a tree, you first tie one end to the trunk of the tree. when the hammock is tied on one end, it makes. a 20° angle with the ground. how far up the tree is the hammock tied on?

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%

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

What is the solution to the division problem below x3+x2-11x+4/x+4