Can you please answer my question please answer my questions correctly and show work

Answer:
37) C
38) D
39) C
Step-by-step explanation:
37)
Perimeter of a circle = 2 π r
It is given that the radius is 4 yards
Substitute this into the formula
2 π 4
Substitute 3.14 in for π
2(3.14) * 4
6.28 *4
25.12
Rounded to the nearest tenth of a yard:
25.1 C
38)
Yvette's salary = s
Increased by 4.5%
4.5% = 0.045
Current salary: s + 0.045s D
39)
Length = = 4.75
Width = 4.75 ÷ 2 = 2.375
Area = (2 * Length) + (2 * Width)
Substitute in length and width values
Area = (2 * 4.75) + (2 * 2.375)
Area = 9.5 + 4.75
Area = 14.25 inches = [tex]14\frac{1}{4}[/tex] inches
C
Hope this helps :)