How do I identify slope on a graph

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?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?