Answer:
2x² + 6x + 20
Step-by-step explanation:
See the picture
Answer:
1+6y= "7y=7"
1+5y= "6y=4"
Step-by-step explanation:
X represents "1" so you replace your "X" with "1" and solve the equation.
Answer:
n=42
Step-by-step explanation:
n/6-2=5
n/6=7
n=42
Answer: 60
Step-by-step explanation:
The three interior (inside) angles in a triangle will always add up to 180°.
60 + 60 + y = 180
120 + y = 180
-120
y = 60
60 * 3 = 180
Answer:
No!
Step-by-step explanation:
Prime is anything that cannot be divided into but by one and itself, therefore all even numbers are Composite.