Write a function g whose graph represents a horizontal shrink by a factor of 1/2 of the graph of f(x)= |2x|+4

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Math i have no idea how to do a and b

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?