Pam made a floral arrangement. She used 6 roses and 6 green stems and her cost was $27. Her friend made an arrangement as well using 3 roses and 8 green stems. Her cost was $21. Write and solve a system of equations to find the cost of roses and green stems.​

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

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2