Answer:
50$
Step-by-step explanation:
First money he had = 20$
Second = 10$ * 3 = 30$
Total money he had = 20$+30$ =
= 50$
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=====50$
he would have 11 kites in total, hope this helps!
x + 8
Expand the binomial first, then distribute the 4:
4 (<em>x</em> + 1)² = 4 (<em>x</em> ² + 2<em>x</em> + 1)
… = 4•<em>x</em> ² + 4•2<em>x</em> + 4•1
… = 4<em>x</em> ² + 8<em>x</em> + 4
