Which expression is equivalent to the phrase the quotient of the sum 2t and 2 and twice the cube of s

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex