3+ 6 + 9 + ... + 3n is O(n^2)​
Explain why the statement is true

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

Find the solution of system of equation y= x-4 y=4x+2

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2