exam
Maths Puzzle
Numerical Ability
add or subtract as indicated.write all answers in lowest terms.
3/x-3-1/x
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exam Other Question
It is estimated that the earth is looseing 4000 species of plants and animals a year if S represents the number of species living last year how many species are on earth this year?
Determine weather each of the following trinomials is a perfect square. If it is, factor the trinomial.
A)x^2-24x+48
B)16x^2+40xy+25y^2
C)a^2(b-c)-16b^2(b-c)