Applying the combination formula, the number of ways there are is: 66.
<h3>What is Combination?</h3>
Combination is a technique in maths used in selecting objects from a group of objects in a way that the order in which they are selected does not matter.
Combination formula is given as:

Given the following:
Plug in the values:


Therefore, applying the combination formula, the number of ways there are is: 66.
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The answer is B
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And sub to pewdiepie
Answer:
a=20
Step-by-step explanation:
4a+8-2a-3=45
-8 on both sides
4a-2a-3=37
+3 on both sides
4a-2a=40
2a=40
a=20