A meal of a chicken sandwich and some pasta salad had 170 grams of carbohydrates. The pasta salad had 20 grams more than twice the grams of carbohydrates in the chicken sandwich. Find the number of grams of carbohydrates for both.

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36