Answer:

Step-by-step explanation:
Let's use a start by using common denominators.
and 
Now, replace the original equation with the common denominators. 
Solve! 
Answer:
yes
Step-by-step explanation:
angles z and b both have 2 congruent lines
angle y and a have one congruent line
and lines CA and XY have a congruent tick mark
Answer:
b and c
Step-by-step explanation:
43.21-38.99=4.22
the difference is 4.22 ounces in weight.
Answer:
120%
Step-by-step explanation: