Answer:
<h2>
70 
</h2>
Step-by-step explanation:
Shaded area:
Area of big rectangle - Area of small rectangle

Calculate the difference

Calculate the product

Calculate the difference

Hope this helps...
Best regards!!
Answer: D
Step-by-step explanation: the answer is d because it can be simplified more
Any with an odd number of minus signs.
Perhaps the 1st and 4th, if I read it right.
C(25,10)= 3268760
P(25,10)=11861676288000
hope it helps but these are very big numbers :d