HELP THIS IS DUE RN PLS Instructions:
State If the lines are Parallel, Perpendicular, or Neither.

1) y = 3x - 4 and y = -1/3x + 2

2) 4x + 3y = 7 and 8x + 6y = 12

3) y = -2x - 4 and 4x - 2y = 11

4) y = 4x - 5 and x + 4y = 8

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?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.