18a+(a−9)2
Distribute:
=18a+a2+−18a+81
Combine Like Terms:
=18a+a2+−18a+81
=(a2)+(18a+−18a)+(81)
=a2+81
Answer:
=a2+81
Answer:
It would be 28 :)
Step-by-step explanation:
Answer:
3x/5+23\5
Step-by-step explanation:
The explanation is in the picture
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Answer:
We know that Jessica has 4 yellow balloons, and Dan has 8 <em>times</em> more. Implying multiplication, so we would calculate 8 x 4 + 4. Eight times four is 32, plus 4 is <u>36</u>.
Step-by-step explanation:
Step-by-step explanation:
A) opposite sides in a rectangle is always equal
B) 9x+12 = 4x +47
Transpose = 9x - 4x = 47 - 12
solve = 5x = 35
Divide both sides by 5
x = 7