The circular area covered by a radar signal can be represented by the expression 400 pi miles squared. What is the approximate length of the radius of this circular area?

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Ten times the square of a non-zero number is eqaul to ninety times the number