PLS HELP An auto travels at a constant rate of 30.0 km/hr for 0.100 hours then at 40.0 km/hr for 0.200 hours, and finally at 20.0 km/hr for 0.08333 hours. What is the total distance covered by the auto?

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?

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

For what values of x is x2 + 2x = 24 true?