1.
julia has taken an online boating safety course and is now completing her end-of-course exam. as she answers
each question, the progress bar at the bottom of the screen shows what portion of the test she has finished.
she has just completed question 16, and the progress bar shows she is 20% complete. how many questions are
on the test.

80 questions

Step-by-step explanation:

100%/20%=5%

5×16=80

Therefore, there are 80 questions in the test.

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .

step-by-step explanation: yes