exam Maths Puzzle Numerical Ability

the solution set for x+y=2 and 2x+y=3

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exam Other Question

write the complex number 2 + the radical sign with 3j in trigonometric form. Give the angle to the nearest o.1 degree. The Nys had eight grandchildren in 2002. In 2003, they had 12 grandchildren. Find the percent increase in the number of grandchildren from 2002 to 2003.