The length of that semi circle is 6pi. So the perimeter should be 6pi + 24
Answer:

Step-by-step explanation:
Given the expressions all that is required is to expand them (using the distributive property) to see which answers they match up to:
For a:
For b:
For c calculate the square of a sum: 
(add like terms) c: 
For d: 

Answer:
0.1
Step-by-step explanation:
When Juan cut a 1 lb loaf of banana bread into 6 slices, the weight of each slice forms a repeating decimal. A repeating decimal is a decimal number with repeating digit/s.
i.e
= 0.166666666666666...
To express the total weight for each slice, he should write a bar over 6 to show that the number repeats.
i.e
= 0.1
Note that
has expressed that the division has 6 as the repeating digit in the decimal number.
Answer:
3.17
Step-by-step explanation:
2.5/1.5 = 1.66667, 1.66667 (it goes on infinitely 1.6666 etc.)
1.66667 x 1.9 = 3.166666654, and when rounded to nearest tenth it is 3.17
Answer:
68º
Step-by-step explanation:
This is a quadrilateral and all degrees in every quadrilateral have to add up to 360º.
81º + 135º + 76º = 292º
360º - 292º = 68º
Therefore, x = 68º