exam Maths Puzzle Numerical Ability

x2+9x+20=0

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exam Other Question

Mrs. Tate brought 5 1/2 pounds of candy to divied amoung her 22 students. If the candy was divieded equally how much did each students portion weigh? ((x+2)^2/9)-((y-3)^2/25)=1
multi choice
a. (-2,-2)and (-2,8)
b. (-5/3)and (1,3)
c. (5,-3)and (-1,-3)
d. (2,2)and (2,-8)