Find the exact value of the expression. write the answer as a single fraction. do not use a calculator.
simplify your answer. type an exact answer, using radicals as needed. use integers or fractions for any numbers in the expression. rationalize all denominators.

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

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)