exam
Maths Puzzle
Numerical Ability
Solve by using substitution or elimination:
x=3y+11
2x+5y=0
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exam Other Question
solve each of the following inequality. express your final answer using interval notation.
a) -2>-2y-10>-22
b) x/4+3 <4
C) x?8+5 >4
Please help.
Factor the trinomial.
16x^2 + 40xy + 25y^2