A circle has an Area of 225π Square Inches. If the Radius of the circle is multiplied by 6, then what is the area of the new circle formed?
A) 1000π in. Squared
B) 2270π in. Squared
C) 6805π in. Squared
D) 8100π in. Squared

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?