Step-by-step explanation:
log <base a> b = x
means
a^x = b
So
3^2 = x^2+7x+21
x^2 + 7x + 21 - 9 = 0
x^2 + 7x + 12 = 0
(x+3)(x+4)
x = -3 or -4
Search the question on the internet and ask if which it is out of them both answers and there you go
Answer:
0.05 in decimal form
Step-by-step explanation:
I don't know if you accidentally left something out but if you did I can edit my answer or put the answer in the comments.
You forgot to add in your height to your question. To find your area you need to do 8 + 14 and get 22 then you nee to do the height divided by two. If you give me the height of the triangle I can tell you the area.
Answer:
Step-by-step explanation:
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