Point Q ′ Q ′ Q, prime is the image of Q ( 3 , − 4 ) Q(3,−4)Q, left parenthesis, 3, comma, minus, 4, right parenthesis under a reflection across the x xx-axis.

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?

Is the square root of 4 plus the square root of 16 rational?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)