exam Maths Puzzle Numerical Ability

simplify

-9-6
_________
-2-1(3)

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exam Other Question

How do you line up your algebric expressions because I can't figure out if you line them up by literal categories or numeric categories or if you're adding and subtracting monomial Two dice are rolled. Find the indicated probability.

What is the probability that the sum is even if the first die is 4?