Use your calculator value of to find, to two decimal places, the area (in square inches) of a circle with radius length 12.34 in.

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0