All of the points in the picture are on the same line. У. (6. 10) (a, 8) (4.b) 12,2) What is the slope of the line?

How do i simply this radical expression?

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.

Which inequality represents all the values of x for which the quotient below is defined? √x+1 ÷ √ 4-x