The simplified expression of
is 
The expression is given as:

Expand the expression

Factor out 2

Combine the radicals

Expand the expression

Evaluate the roots

Expand

Hence, the simplified expression of
is 
Read more about simplified expressions at:
brainly.com/question/8008182
Answer:
Let
S= #small candles
L= #Large candles
S+ L =>20
3.50S + 5.00L < 80
Step-by-step explanation:
The Answer is A.
To solve the equation for x you need to find a, b and c of the quadratic then apply the quadratic formula resulting in that answer.
2(4x-3)-7(x+1) first distribute
8x-6-7x+7 then combine the x's
<u>x+13 </u>