Latisha wants to get a Bt in her history class. To do so, she needs to have an overall average of at least 86%. So far she has taken three test and has gotten scores of 90% 82% and 81% The teacher decided to make her test worth twice as much as the regular test. How does this change the score that Latisha needs on the last test to get an overall average of 86%?

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/4zZs6GM

i just took the test, the correct answer is .. 31.5 in.

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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