-55 is an i
nteger.
It is not a whole number because it is negative.
It is not a natural number because it is not a whole number.
It is not irrational because it can be written as a fraction

.
Answer:
-(4,-3)
Step-by-step explanation:
You need to find the slope from point o to b, and then multiply it three times to get to b prime.
Answer:
true
Step-by-step explanation:
a square will always be a rectangle but a rectangle will not always be a square.
Answer:
5, 2x2 and 4
Step-by-step explanation:
Terms are expressions or characters that are separated by a plus or minus sign.
therefore, the terms are 3x, 5, 2x2 and 4
like terms have the same have the same variables or no variables attached to them.
like terms = 5, 2x2, and 4
Note: 2x2 = 4
Answer:
Standard deviation 46.3
Step-by-step explanation:
A 28% of the distribution is equivalent to a z score of -0.5828, you can use a z table to find that.
Z score is calculated as follows:

x is the number being evaluated
μ is the mean
σ is the standard deviation
And it is used to calculate how many standard deviations you are from the mean of the sample.
Replacing with the known information you can calculate the standard deviation:
