A diagram shows a square with a perimeter of 40cm. Work out the percentage of the area inside the square that is shaded.

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.