After you've calculated a least common multiple, always check to be sure your answer can be divided evenly by both numbers. Find the LCM of these sets of numbers. Multiply each factor the greatest number of times it occurs in any of the numbers. 9 has two 3's, and 21 has one 7, so we multiply 3 two times, and 7 once.
Step-by-step explanation:
Consider the provided information.
For the proportion method first set up the equation like this:

Perform the cross multiplication and then solve for the missing part.
For example:
Find 80 percentage of 10.
Step 1: Set up the equation.


Step 2: Perform the cross multiplication

Step 3: Solve for the missing part.


Answer:
A and B are both correct
Step-by-step explanation:
the definitions of the following words are:
factor- a number or quantity that when multiplied with another produces a given number or expression.
multiple- a number that can be divided by another number without a remainder.
6 multiplied with 7 equals 42
42 divided by 7 equals 6
another way of phrasing it:
7 and 6 are factors of 42
and
42 is a multiple of both 7 and 6
hope this helped!
A. Y=x+2
I thinks that’s right hope this helps :)
Answer: Option a) 3
Step-by-step explanation:
The formula for calculating combinations is as follows

Where "n" is the amount of items in a set and you can choose "r" from them
3C1 reads as: The combination of 1 in 3. You have a set of 3 elements and choose 1 of them.

So :
