Answer:
Whether you're teaching the meaning of fractions or fraction operations, visual models can help students connect fractions to what they already know. Division is an essential foundation for fractions. Once students can divide objects into equal groups, they can begin to grasp dividing a whole into equal parts.
Step-by-step explanation:
Answer:
3.5 is the slope and it is the rate of change.
Step-by-step explanation:
the slope is the number with the variable because you use the formula
y = mx + b
the slope is the rate of change.
The second midpoint is (-15,8)
Answer:
slope = 
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 4, 0) and (x₂, y₂ ) = (0, 2) ← 2 points on the line
m = 
= 
=
Answer:
r < -504
Step-by-step explanation:
The problem says;
72 + r < -432
Inverse operations;
72 + r < -432
-72 -72
r < - 504
