1. true.
2. false.
3. false.
4. true.
these should be correct.
Answer:
x=3
Step-by-step explanation:
5x+6=21
5x=15
x=3
Answer:no
Step-by-step explanation:
Because if he got 2 and the other boy got 4 then the other boy had 2 more that he did
X^2 + 9y^2 = 25
x^2/5^2 + (3y)^2/5^2 = 1
This represent an equation of an ellipse with cente at the origin, the horizontal major axis running from -5 to 5 and vertical minor axis running from -5/3 to 5/3
The third graph is the correct answer.