The answer is 6 because 21+9=30 and 30-6=24 and 24 is the number of students in the class.
The square root of 7056 is
84
I was also going to say 6.25 but someone else did :)
Answer:
2.35×10^9
2350 million = 2,350,000,000
1 million= 1,000,000
Plug in the point and if the point gives 2 true statements for each equation, then it is a solution. Plugging in (-3,6) does not create a true statement for the second equation, so it is not a solution.
The point (3,2) works for both equations, so it is a solution.
