Answer:
4747
Step-by-step explanation:
All students in each grade because it should not be limited based on gender or if they like social studies or not.
The answer is 243 for the question above
Photo please? and a function means that it cant have the same number of x axis'
example,
function;
15 6
-46 37
36 -37
27 -25
not a function;
-1 3
5 7
-5 6
-1 8




Use the identity:
and solve for
. You get: 
Do the substitution on the left side to get:
