Find the area of one side.....20.5 * 20.5 = 420.25....and there are 6 sides to the cube so multiply by 6 and get......2521.5
7 squared equals 7 times 7
-23.2 I think this is the answer
Answer:
a) y=-1
Step-by-step explanation:
Graph is intersecting y-axis at (0,-1)
So equation of the graph is y = - 1