As a mixed number, it's 64 and 4/10:

As an improper fraction, it's 644/10:

This can also be reduced to 322/5:

Answer:
22
Step-by-step explanation:
Order of Operations: BPEMDAS
Step 1: Write out expression
40 - 2 × 3²
Step 2: Exponents
40 - 2 × 9
Step 3: Multiply
40 - 18
Step 4: Subtract
22
Answer:
60
Step-by-step explanation:
divide 120 by 4 you get 30 then multiply 30 by 2
<h3>
Answer: 39</h3>
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Explanation:
You can use the nCr formula shown below

where n = 39 and r = 1. However, you could also use the identity

which basically says there are n ways to pick 1 item if you are given a choice of n items. In this specific case, we have 39 items total, and there are 39 ways to pick one item.
Answer:
so i think it is rst on the right