In isosceles triangle RST below, what is the value of y?
38°
[Not drawn to scale]

Change negative exponents to positive, then solve

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.

What number produces an irrational number when multiplied by 1/4