Which expression can be used to find the product of 57 x 44?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

How many 3/8s are in 6 plz someone tell me now

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.