2400000 in standard form ​

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?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Asap! i'm not good math and i'm lost.