Two independent simple random samples are taken to test the difference between the means of two populations whose variances are not known. the correct distribution to use is the

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Evaluate the expression. (9 + 5)(3 + 2)0

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)