What is the value of x is the equation 3(2x + 3) = 3x + 12 ?

Which of those sequences is a geometric sequence

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)