Which is equivalent to (4 x y minus 3 z) squared, and what type of special product is it?

16 x squared y squared + 9 z squared, the difference of squares
16 x squared y squared + 9 z squared, a perfect square trinomial
16 x squared y squared minus 24 x y z + 9 z squared, the difference of squares
16 x squared y squared minus 24 x y z + 9 z squared, a perfect square trinomial

hurry : ( i cant understand this question at all

Which graph represents 2x-5y< 15

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.