Asap
find the approximate radius of a sphere with a surface area of 400 square inches. a. 5.64 inches b. 31.8 inches c. 31.4 inches d. 20 inches

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.