Find the percent change.
original amount: 16
new amount: 11

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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→∞.