1) Final expression: 
2) Final expression: 
Step-by-step explanation:
1)
The first expression is

First, we remove the 2nd bracket by changing the sign of all the terms inside:

Now we group the terms with same degree together:

Now we solve the expression in each brackets:

So, this is the final expression.
2)
The second expression is

We apply the distributive property, so we rewrite the expression as follows:

Solving both brackets,

Now we group terms of same degree together:

And solving each bracket,

So, this is the final expression.
Learn how to simplify expressions:
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9 and 1/2 is a mixed number
Answer:
B' (-4, -4)
Step-by-step explanation:
When you dilate from the origin, you multiply the coordinate points by the scale factor.
B (-1, -1) × 4 = B' (-4, -4)
I hope this helps :))
Hi,
Solution:
Find Common Denominators,
2/5 = 8/20
2 7/20
Turn into improper fractions,
2 7/10 = 47/20
Divide,
47/20 ÷ 8/20 = 5.875/1 = 5 7/8
Answer,
5 7/8
19/8 is the improper fraction of 2 3/8.