Answer:
(10, 40), (15, 60), (25, 100)
Step-by-step explanation:
(x, y) = (10, 40) means x = 10, y = 40
I think it might be expression one =14 i think and number 2 is obviously is 19 but you would put parenthesis around 5+4_2+6
I think i did this right its been a while since i did this
0.75 is the decimal equivalent of 9/12