Which expression represents the statement add 9 and 3 then multiply by 6

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?