book Maths Puzzle Numerical Ability

is any one out their that can help me with this problem a.s.a.p i would really apprecate it. translate the difference between twelve times a number and the number into a mathematic

Read Solution (Total 0)

book Other Question

a side of a square has length x. write and expression for the differance between the area and perimeter of the square.

Mary's age is m. sue is three years less than twice mary P,Q and R are points with coordinates (2,3), (4,9) and (10,-3) respectivley.
Find (a) The equation of the altitude PS.
(b) The area of triangle PQR