Find the surface area of a sphere with radius, r = 11 in. surface area = in^2 (type an exact answer in terms of pi.)

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)