Find the missing dimension. Use the scale factor 1 : 12.
Item Model Actual
Football helmet Diameter: mm Diameter: 21 cm

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units