Since -2 is less than or equal to -1 input it into the first equation.
-3•(-2)-4
6-4
2
the answer is 2
The mean and standard deviation of the scores are 75 and 9.5 respectively.
The z-score is a means to find the probability of getting a particular score. This is calculated to be:

where x is the score, μ is the mean, and σ is the standard deviation.
To be a part of the top 2.5 percent, the probability is:

The z-score for this probability, that is, P
Answer:
c
Step-by-step explanation:
symbols, sounds or pictures
hope this help
Answer:
<, -4
Step-by-step explanation:
-8x-20<12
add 20 to both sides
-8x=32
divide both sides by -8
x=-4
Answer:
2 meters, cuz shovels are usually pretty long