Answer:
Last formula
Step-by-step explanation:
Composite figure is made up of a square and a semicircle.
Therefore,
Area of composite figure= area of square + area of semicircle

Step-by-step explanation:
A is excluded because in the second() x² should be negative
B is excluded because if you solve it -(-x² give you + x²
C is excluded because in the second() 2x and 1 should be negative
so D is right
You need to show more numbers after the decimal. Your number stops at the thousandths.
First, convert 12 2/2 to an improper fraction...
12 2/3 = 38/3
Next, multiply...
(38/3) • 15 = 570/3
Last, simplify
570/3 = 190