exam
Maths Puzzle
Numerical Ability
3x-5(3x-7)=2(x+9)+45
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exam Other Question
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)
HELP!
10. Mona earns three times as much as an actuary as she does as a writer. Her total income is $40,000 more than that of her brother. Heearns 1/2 as much as Mona does as