The work of a student trying to solve the equation 3(4x − 2) = 9 + 2x + 5 is shown below:

step 1: 3(4x − 2) = 9 + 2x + 5
step 2: 12x − 2 = 14 + 2x
step 3: 12x − 2x = 14 + 2
step 4: 10x = 16
step 5: x = 1.6

in which step did the student first make an error and what is the correct step?

41/17 as a decimal rounded to the nearest hundredth

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

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