Answer:
14x+7y
Step-by-step explanation:
The answer is 256 ,
explanation- 6+2 is 8 and 36-4 is 32. 8 times 32= 256
From the given data, it is clear that the first area model represents the fraction 
From the second area model,
Total number of regions = 6
Number of shaded regions = 2
The fraction represented by the model = 
Let's complete the expression.

Answer:
the answer is
9b²-3b
Step-by-step explanation:
9b-3
Answer:
Lorenzo's score on exam was 75.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 61
Standard Deviation, σ = 8
We are given that the distribution of test score is a bell shaped distribution that is a normal distribution.
Formula:

z-score = 1.75
We have to find the value of x.
Putting values, we get

Thus, Lorenzo's score on exam was 75.