Find the percent increase or decrease to the nearest percent. From 14 books to 40 books

A. 65% increase

B. 186% increase

C. 186% decrease

D. 65% decrease

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.