Answer:
<h2>12 4/8</h2>
Step-by-step explanation:
1. First step
ADD
7+4=11
7+5=12
so
11
2. Second step
Now simplify
11 12/8 = 12 4/8 = 12 1/2
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Thanks!
Answered by: FieryAnswererGT
#learnwithbrainly
Want to thank me? JUST MARK ME BRAINLIEST! So simple!
We need to start from the innermost parenthesis and work our way out.
The first parenthesis is
. These are not like terms because one involves a variable, while the other is a constant term. Two terms are summable if they involve the same power(s) of the same variable(s).
So, we can take one step outwards, and we arrive to the square brackets. We have

and 2z and -13z are like terms, so we can sum them:

Finally we arrive to the whole expression, which is

Because, again, 5z and 11z were like terms.
Answer:
61 km/s
Step-by-step explanation:
First, you count the number of hours he travelled: 22
Next, divide the distance he travelled, 1342, by the time he travelled, 22, 
The answer is 92 or it can be 1A