Is line b: y=3x-8 parallel or perpendicular line

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2