Ihave no idea on how to solve this a=p+prt solve for r

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

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

What is 0.000008 meters in scientific notation