The cube shown has side length 0.7 metres. Work out the total surface area of the cube. Give your answer in square metres.
Please help.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?