Answer:
B. Angle 8
Step-by-step explanation:
Vertex form is y=a(x-h)^2+k
you need to find a perfect square
y=x^2+24x+<u> </u>+29 -<u>
</u>y=x^2+24x+144+29-144
y=(x+12)^2 +29-144
y=(x+12)^2-115
Answer is 4%
If you keep subtracting 20.8 with any percent at all you would find your answer
If you need more work shown i will give you more by saying it in comments. ^^
<span><span>2x</span>+<span>7y</span></span>+<span>12 = 7y+4x+4-2x+8</span>
1. multiply to -18 add to -17 = Multiplying -18 and 1 will give -18 as the result and then on adding -18 and + 1 the result comes to -17