book
Maths Puzzle
Numerical Ability
At noon, one ship sails north from Castaway Island at 15 knots and another ship sails east at 20 knots. How far apart will they be at 2:00 p.m.?
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book Other Question
What is the area of s trapezoid with vertices(-3,-1), (3,3), (-1,3) and (3,-1)?
a.24 square units
b.20 square units
c16 square units
d.12 square units
6^-2y^3z^-2/-2x^4y
please simplify and write the answer without negative exponents