Answer:
A=616cm²
Step-by-step explanation:
The question says to use

for pi, now that we know that we proceed like normal and do the formula like this.


This is because you can at most, factor out x² and y³
Answer:
I'd have to say, C: 13
Step-by-step explanation:
Answer:

Step-by-step explanation:
Combine the opposite terms in r − 3 − r
.
Answer: 7/6 or 1 and 1/6
Step-by-step explanation:
2 1
+
3 2
you have to make them have the same denominators(the number on the bottom of a fraction)
2/3--> 4/6
1/2---> 3/6
4/6+3/6=7/6 or 1 and 1/6