Answer is 82
substitute z for 9
9^2 = 81+ 1= 82
Half of the distance from one side, through the middle, to the other side.
circumference: 3.14*radius*2
Answer:
Linear systems are systems of equations in which the variables are never multiplied with each other but only with constants and then summed up
Answer:
3) -11 + 11
Step-by-step explanation:
-11+11=0
Y=2x
3x+2y=21
3x+2(2x)=21
3x+4x=21
7x=21
x=3
y=2(3)
y=6
