Hey guys I need help I don’t know this answer and ima abt to fail this class. Can you guys help me?

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

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?