exam
Maths Puzzle
Numerical Ability
If (x,12,13) is a Pythagoreantriple, then x =
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Western State College is 18 years older than Southern State. Western is also 2 1/2 times as old as Southern State. How old is eac?
Can someone please help me to understand these. Its been a long time for me in high school.
c. Simplify: (-4 + x2 + 2x3) – (-6 – x + 3x3) – (-6y3 + y2)
d. Add: (2x2 + 6y2