When 9x^2-100 is factored, it is equivalent to (3x-b)(3x+b). what is a value for b? with work.

b = 10

Step-by-step explanation:

The expression 9x² - 100 is a difference of squares. It factors into the form (3x -b)(3x+b). Here b is the square root of 100. The square root is 10.

The factors are (3x -10)(3x+10).

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.