The value of y is 6, -6
Step-by-step explanation:
(92+73+87+91)/4=x
92+73+87+91=343
343/4=86%
The average of the student’s grade is 86%
Answer:
There are three intersections on the graph, therefore there are three solutions to the system
Step-by-step explanation:
Answer:
I have no idea Im so sorry i tried to understand all i could think of is x+y=99
