Astore is offering a 20%discount on all sales over 50$. if u purchase a shirt and a pair of jeans for 62.50.what is the amount of the discount you would receive

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

What is the rotational symmetry of a wheel

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497