Which inequality best represents the range of the part of the quadratic function graphed on the grid?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day