Here is a square.. inside the square is an equilateral triangle. the perimiter of the triangle is 54cm. find the perimiter of the square. show your working out.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line