Answer:
The area of the shape can be divided into the area of the rectangle, and the area of the semi-circle.
The area of the rectangle can be found by 
The area of a semi-circle can be found with the formula
where r is the radius.
Since we know the diameter of the semi-circle is 4,
the radius will be 4 ÷ 2 = 2.
Therefore, the area of the semi-circle is 
Therefore, the area of the shape is
or
(3 decimal places)
1. 79% Take 100 x 21%=21, then subtract 21 from 100 = 79
2. $138 Take 1200 x 11.5%= $138
H represents the number of hours:
10h + 40
(40 represents, well $40)
Any number multiplied by 1 is the number. Think about it this way. If I have 1 group of 8 apples, how many apples do I have? I have 8 apples :)
Answer:
B) measures of variability
Hope this helped :)