For sketching a graph sketch on the line a trapezoid missing the bottom and the graph is continuous.
It’s on open dot because it doesn’t include the 4 and it shades all the numbers greater then 4 (so it goes to the right).
Answer:
d) 87
Step-by-step explanation:
to solve this lets set up the equation

then we multiply 4 on both sides
253+x=340
and subtract 253 on both sides
x=87
to double check take the averages
(87+85+70+98)/4=85
By making lines with an X and Y axis then add the numbers you need