Sanvi hikes 5 2/10 kilometers one weekend the next weekend she hikes 9/10 kilometers more than the week before

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

What is the approximate difference in tenths between √12 and √15?

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.