47) find the area of a circle with diameter of 10 cm. let pi = 3.14.
48) find the area of a circle with radius of 2 cm. let pi = 3.14.

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

Write the equations in logarithmic form 10^3=1,000

How is this equation completed? i cannot find any examples in the book.