Answer:
Square
Step-by-step explanation:
A square has four 90° angles. By cutting it diagonally in half, you form two 45-45-90 triangles.
Answer:
C
Step-by-step explanation:
dont remember how I did it but it is right.
Answer:
−2 − x
Step-by-step explanation:
Answer:
One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. Cells are suspended in a fluid environment.
Answer:
3
Step-by-step explanation:
In simple terms, the slope of the line is 
The equation states that the slope is how much the graph, rises goes up, divided by how much it goes across, to the right.
This graph goes up 3 units and goes to the right by 1 unit. Use the lattice points, the marked points, to make the decisions. You can pick any two points, and you will see that when simplified, it will equal 3.
This is because the graph is proportional.
-Chetan K