Answer:
idk
Step-by-step explanation:
Answer:
m∠b=20°
m∠c=160°
Step-by-step explanation:
∠c and the 160° angle are vertical, so they are congruent.
m∠c=160°
∠c and ∠b are supplementary, so their sum is 180°.


So, m∠b=20°.
Answer:
Part A: A control group would add in a datapoint that didn't receive any medicine, letting you know if the medicines actually work.
Part B: Split evenly. This makes sure you have enough data for each group.
Part C: By breed. Which sanctuary they come from wouldn't seriously impact their anatomy like which breed they are would.
Answer:
21 Black tokens are in the bag
Step-by-step explanation: