Answer quick you 20 !

the venn diagram represents different categories of real numbers. which number does not belong in the category rational on the venn diagram?

a) −12

b) -3/2

c) √81

d) √61

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Can any one me with the answers to these questions asap?

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?