Which graphs have a line of symmetry? Check all of the boxes that apply. On a coordinate plane, a parabola opens to the right. On a coordinate plane, a function crosses the x-axis at (negative 3, 0), (negative 1.5, 0), (negative 0.5, 0), and (1, 0). On a coordinate plane, a cosine curve has a maximum of 1 and minimum of negative 1.

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 of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

2x minus y equals 6, x plus y equals negative 3