<u>Answer:</u>
The correct answer is 
<u>Step-by-step explanation:</u>
We are given the following expression and we are supposed to simplify it:
.
As we can see we have a term with under root in both the numerator and denominator of the given fraction. So we will multiply both the numerator and the denominator by this conjugate, where the common factor 
is then cancelled and hence we are left with:
Answer:1
Step-by-step explanation:
The rule for zero as an exponent is that any number raised to the 0 power will always be 1
Answer:
c. students who eat in the cafeteria
Step-by-step explanation:
it wouldnt help to include people who dont eat the food and therefore wont have an honest opinion about the food. They have to talk to the people who do eat the food, which are those who eat in the cafeteria
Answer:
Step-by-step explanation:
24.5, 2 sides are 7 and 7x7=49. then you have to divide by two because it is a triangle so the answer is 24.5
