Answer:
C. -2
Step-by-step explanation:
hope that helps! :)
Step-by-step explanation:
all you have to doe is type Ex:4 into the calculator and you should get your answer.
Whatb is the measure of what ? please complete this your question
Answer:
16.49
Step-by-step explanation:
21^2 - 13^2 = 272
square root 272 = 16.49