Which of the following is the heaviest, 1mg, 1mcg,1g, or 1kg

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order.