All but c are correct so the answer is a b and d
The x value in the second equation (y+2) is substituted for the x in the first equation in...
Answer A.
Answer:
B
Step-by-step explanation:
3x + 4(x-1) = 10
3x+4x-4=10
7x-4=10
+4 +4
7x=14
/7 /7
x=2
y=(2)-1
y=1
Answer:
100π
Step-by-step explanation:
The formula for area of a circle is:
π
The radius is 10 feet.
is 100
This makes the expression representing the area of the circle:
100π