What is the solution of the equation -7b=21

plz explain step by step and show work

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement