Why is geometry so hard but anyways someone help and if it’s right ill mark you as brainliest

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?

Acertain company's main source of income is a mobile app. the company's annual profit (in millions of dollars) as a function of the app's price (in dollars) is modeled by p(x)=-2(x-3)(x-11)p(x)=−2(x−3)(x−11 ) which app prices will result in \$0$0 annual profit? enter the lower price first.

Lim n tends to infinity [ 1/2.3+1/3.4+ +1/n(n+1)] equals?