What are the constant of proportionality on these two?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

What is 1.5% of 120 or what number is 1.5% of 120

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→∞.