Answer:
The vertex of the function
is 
Step-by-step explanation:
I've graphed this on desmos for a visual
Get the value of the decimal:

Remember that percentages are simply the value of a decimal multiplied by 100. (From the Latin, "per centus", meaning "per 100")
therefore:
Answer:
2nd im pretty sure hope this helpss :) (:
Step-by-step explanation:
Petra can make 8 costumes with 12 yards of fabric
<h3><u>Solution:</u></h3>
Given that Petra was given 12 yards of fabric to make costumes for the school play
Each costume requires
yards
<em><u>To find: number of costume Petra can make</u></em>
The number of costume Petra can make is calculated by dividing the total fabric she has by fabric needed for one costume

Total fabric she has = 12 yards
Fabric needed for 1 costume =
yards
Therefore,

Thus petra can make 8 costumes with 12 yards of fabric
Answer:
A. 1.4 times more
Step-by-step explanation:
In this kind of exponential function, you multiply by a factor. In this case that factor is 1.4.
Please see the attachment.