Did he make an error?

4x+6-x=2x+3

1st step: 5x+6=2x+3

Which best describes the rotation? A. counterclockwise 45° B. counterclockwise 90° C. clockwise 45° D. clockwise 90°

Round 215 to the nearest ten and the nearest hundred

Justin, cam and Ben are playing a board game where exactly one player will win. Ben estimates that Justin has a 20% chance of winning each game and that cam has a 50% chance of winning each game?

If it takes 2 such machines 2 minutes to make 2 doughnuts, how long would it take 150 machines to make 150 doughnuts?

Suppose that the die is rolled twice, rather than once. find the probability of rolling an even number on at least one die. find p (aon first toss or a on second toss)

You are researching the price of MP3 players. You found an average price of $58.80. One MP3 player cost $56 and another cost $62. Find the price of the third MP3 player. Check your Solution.

Does 24 over 6 belong only to the rational set

cala uses 2 pounds of feed - all fertilizer for a 100-foot row of vegetables at her farm. At this rate, how many pounds of fertilzer would she use for a 450-foot row of vegetables

5 ones 13 tens 4 hundreds what is this in standard form

Alan is paying a dinner check but he was not sure how much he should tip for his bill of $27 and thirty-eight. if a standard tip is a 15% tip is standard about how much should I leave for the server