Second question: Which one is the better deal (unit rate) 1 dozen donuts for $15 or 10 donuts for $11.50. Third question: Michael makes candles in a candle factory he can make 225 candles in 3 hours how many candles can he make per hour? please answer all questions thank you

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Find the distance between c and d on the number line c=3 and d=11

Determine the area of a triangle with (see picture below)