Answer:
18 pencils
Step-by-step explanation:
1/2 dozen:6
1 dozen:12
6+12=18
18 pencils
Answer:
25 inches
Step-by-step explanation:
To find the difference you need to substract one from another
110-85=25 inches
Answer:
oh I see. that's an interesting question but the problem is I hate maths
Answer:
the answer is D
Step-by-step explanation:
the quadrilaterals are not the same
The 2 {} you have are called sets. The union is what the 2 sets have in all.
You can think of this as you have green blue yellow cards. and your friend have green orange red cards. What colors do you have if you combine your cards.
Now that's just an example, in the question's case is what numbers does the 2 sets have in total.
Therefore the union of these 2 sets are {9,10,11,13}
Hope it helps!
