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.
18 degrees
Step by step I got it right
1.7 : 22.3
17 : 223 is the ratio. Times 10 throughout
Answer:
6.71
You use pythagoras so you do:
6² + 3² = 45
square root 45 =6.71