If I understood the question correctly, the answer would be 400
The easy thing to do is eliminate x by subtraction
x + 7y = 24
- x - 9y = -24
-------------------
16y = 48
now solve for y and then substitute the value into either original equation to find x
Answer:
5a to the power of 2 ofc
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
pi*r^2
just put each number where r is to find out the answer