Find a b c if
asinx+bsin3x+csin5x=sin^5x
i can find answer if i use formula for sin^5x but my teacher told me to show him steps and not use that formula

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?

Write a corresponding real world problem to represent 2x - 125=400

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0