Answer:
May be b is the answer...
Answer:
Step-by-step explanation:
Sry but I only did 1,2,5,6,7&8
But am not sure if am correct just try
(Y+40)+(x+2y)=180
3y+x=140
2x+(y+20)=180
2x+y=160
Simultaneous equation
3y+x=140
Y+2x=160
Solve for y
Y=24
3(24)+x=140
X=140-72=68
not sure about the answer
Answer:
x^2 = 9
Step-by-step explanation:
Both 3 and -3 are 9 when squared.
Answer: The correct answer would be V=343cm³