20 points!

I need help!

I will also be doing a 50 point giveaway later!

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Write the equations in logarithmic form 9^4=6,561

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.