Answer:
see explanation
Step-by-step explanation:
(a)
1.2² = 1.2 × 1.2 = 1.44
(b)
2³ + 17 - 3 × 4 ← evaluate exponent and multiplication before adding/subtracting
= 8 + 17 - 12 = 25 - 12 = 13
(c)
9² ÷ 3³ ← evaluate exponents before dividing
= 81 ÷ 27 = 3
240 each 10 percent is 30 calories multiply them by ten gets you 300
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.
Answer:
Graph Y is the correct answer
Step-by-step explanation:
after 1 year, the price would be $200 * 1.15 = $230
After 2 years, the price would be $230 * 1.25 = $264.5
As you can see, the graph X and Z do not start at $200 in the first year so it will be eliminated
The graph W show that after 2 years the price is $300 but the second year must have the price of $264.5 so the only option left is graph Y.
Hope this can help!