The perimeter of a triangle is the sum of all three side lengths of the triangle. Two side lengths of a triangle are 27 centimeters and 38 centimeters. If the perimeter of the triangle is 84 centimeters then write an equation using i, the length of the third size.​

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Prove that quadrilateral is a rhombus.

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