Answer:
Option d
Step-by-step explanation:
Other options are not eligible because
a) Integers are not irrational
b)Whole numbers start from 0 and consists positive integers only.But integers consist negative integers also.
c)Natural number consists of positive integers only.
If the question had been asked as some integers are also, then options b) and c) could have been written . But in this case , it is asked every integer is also.
Thank you!
Scientific notation means the numbers have to be between 1 and 10, so here is the answer as well as where to move the decimal
Answer:

Step-by-step explanation:
we know that
<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.
To calculate combinations, we will use the formula

where
n represents the total number of items
r represents the number of items being chosen at a time.
In this problem

substitute

simplify



If you would graph the triangle, one of the legs would be 8 and another would be 5 and the area of a triangle is bxh/2 so the equation is 8x5/2=20un².
Hope this helped! :)
Answer:
D) x = 12
Step-by-step explanation:
Given:

1. Multiply both sides by 4

2. Subtract 3x from both sides

3. Add 28 to both sides

4. Divide both sides by 7 to isolate the variable:

Learn more here:
brainly.com/question/27844194