Answer:
A. 
Step-by-step explanation:
The question seems to be incomplete. However, we'll make the following assumption.



Pythagoras theorem states that:

Substitute values for Hypothenuse, Opposite and Adjacent.
This gives

or

From the list of given options.
A answers the question
Answer:
15 pizzas
Step-by-step explanation:
1 pizza serves 4 students
60 students divided by 4 students (which is 1 pizza)
60/4=15
Answer: its correct
Step-by-step explanation: and its correct cuase its the answer you choose
She used 180 beads because 45x4 =180