What is the change in the scale factor from the old scale to the new scale? Old 1 in. =3.311 New 1in =111t

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

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→∞.