If x(2x + 3) = 90 and 7y-1/2 + 2y-1/2 = y1/2 (x and y are positive nu – McqOptions

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1.	If x(2x + 3) = 90 and 7y-1/2 + 2y-1/2 = y1/2 (x and y are positive numbers), then what is the value of x2 + y2?
A.	45
B.	109
C.	117
D.	126
Answer» D. 126

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