Find the perimeter of the figure: 15 units 30 units 27 units 29 units

Given abcd ac=38 and ae=3x+4 find the value of x

Which table represents a linear function? i'll give brainliest to first answer ^'^

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books