exam
Maths Puzzle
Numerical Ability
How did x squared equal 1/.16
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A commercial Airline flies frequently between Los Angeles and Chicago. One of the jets flew at and average speed of 640 mph from Los Angeles to Chicago. On the return trip due to t
perform the indicated operations
(9x^4+3xy-y^3)-(x^4+7xy+ey^3)
a. 9x^4-4xy-4y^3
b. 10x^4+12xy+2y^3
c. 8x^4-4xy-4y^3
d. 8x^4-4xy-2y^3