X+y=156
<span>0.05x+0.25y=21.6
-1/4*/ x+y=156
1/20x+1/4y=216/10
-1/4x-1/4y=156*-1/4=-39
</span>1/20x+1/4y=216/10
<span>+--------------------------
-4/20x=-17,4
x=87
</span>x+y=156
<span>
87+y=156 y=69
this question answer is </span><span>87 nickels and 69 quarters</span><span>
</span>
Hi again!
24x³ - 81
= 3(2x -3)(4x²+6x+9)
I hope that helps!
Please Brainliest answer :)
Answer:
13x^2 - 6x -11
Step-by-step explanation:
Answer:
your answer is ...
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