Answer:

Therefore, Option 1st is correct.
Step-by-step explanation:
We have given that a=1 and b=1
We need to find expression equivalent to the given expression
We have:
We have a logarithmic property:
(1)
Here, we have m=a, x=y and n=b on substituting the values in (1) we get:

Therefore, Option 1st is correct.
And when a=1 and b=1 we get:

You have to do the multiplication step, if there are any numbers being multiplied
Answer:
20
Step-by-step explanation:
We have two simultaneous equations.
(1) y = 2x + 50
(2) y = 4.5x
1. Subtract (1) from (2)
0 = 2.5x - 50
2. Add 50 to each side
2.5x = 50
3. Divide each side by 2.5
x = 20
Pilar must sell 20 items to break even.
Answer:
C. He should run a T-test, and approximating it with a normal distribution would be inappropriate.
Step-by-step explanation:
We are told that the standard deviation is unknown.
Now in statistics, when we know the standard deviation, then we use a Z-test but when we don't know the standard deviation, then we will use a t-test.
Now, the t-test assumes a normal distribution for difference in mean of samples but it doesn't assume so for population.
Thus, we will run a t-test and doesn't need to approximate with a normal distribution.
<h2>
Answer: 600</h2>
Step-by-step explanation:
prime factorization of 75:
75 = 3 × 5 × 5
prime factorization of 120:
120 = 2 × 2 × 2 × 3 × 5
LCM = 2 × 2 × 2 × 3 × 5 × 5
There for the LCM = 600
* HOPEFULLY THIS HELPS:) Mark me the brainliest:)!!