Answer:
10cm
Step-by-step explanation:
The formula for perimeter is:

Let the width of the rectangle be x then the length would be...
3+x
Now, let's plug these values into the equation and solve. (Note we are also given perimeter is 34 cm):

And since the length is x+3 then it is...
x+3=7+3=10cm
Answer:
B and the first d and second one.
Step-by-step explanation:
The age is a big factor and b can showing the preference per age
<span>Confidence Level: 95%; Confidence Interval: 44 to 46</span>
It would be, Eighty-four thousand, and fifty two
K is equal to -69.5 K=69.5 You put it in an equation 47.9-K=-21.6Then you subtract 47.9 from both sides and you get K=69.5