Answer: 28
Step-by-step explanation: Break down the structure into 3, you have 3 shapes.
1. Square 4×4=16
2.2.Rectangle 4×2=8
3.Triangle = 1/2b×h=1/2×2×4=4
Total 16+8+4=28
Check picture
Answer:
a) 
b) 
Step-by-step explanation:
Let's define the following events first:
F: The event that a course has a final exam.
R: The event that a course requires a research paper
From the info provided we have that:
P(F and R) =0.32
So then we can create a Venn diagram as we can see on the figure attached.
a. Find the probability that a course has a final exam or a research project.
For this case we can find the probability like this:

b. Find the probability that a course has NEITHER of these two requirements.
For this case we can use the complement rule and we can find the probability like this:

And that's the same value obtained with the diagram.
Well, you calculate 237.5 divided by 5. This is 47.5.
Step-by-step explanation:
26 ÷4 = 6.5 inches is the correct answer for one side
Answer: its the first answer choice
ANSWER:x^3
-9x^2+25x