You get 158.667 yards of yarn
Explanation-You dived the length value by 3 since 3 feet = 1 yard
Y is 12. X is 2 and if you add 12 plus 2 it makes 14. and 12 minus 5 times 2 equals 2
Use PEMDAS
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)

Answer:
15.5
Step-by-step explanation:
the r=1.9 h=4.1
Answer:
The two triangles are congruent. The second triangle is only turned on it's side. if you look at each side they have a corresponding number of lines comparing each side. if both shapes have a side labeled with 1, 2 or 3 lines those sides are congruent.