It costs twelve dollars to get in to the fair. tickets for rides cost extra and are d dollars each. if tyra buys 20 tickets, how much would it cost her for the fair? a. $12 - 20d b. $12d + 20 c. $12 + 20d d. 20d - $12 i got c

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

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