20% of the 65 coffee mugs at Toby's Pancake House are dirty. How many dirty are there at the pancake house? pls answer asap for brainliest​

Easy points boii. read it. ya. fresh

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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→∞.