Polygon x is similar to polygon y. polygon x is three times the size of polygon y. the perimeter of polygon x is 81. what is the perimeter of polygon y?

a. 81
b. 9
c. 27
d. 243

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

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent