Answer:

Step-by-step explanation:
You want to isolate r. As you can see all the numbers on the right would be multiplied so to isolate r you would have to divide the numbers on the right and do the same to the left side.
Answer:
<h2>Q4. (-7)</h2><h2>Q5. (-8)</h2>
Step-by-step explanation:
The perfect square:

Q4
We have

Q5
We have

Answer:
A
Step-by-step explanation:
because values of y increase from negative 2 to negative 1
Answer:
74.4 m³
Step-by-step explanation:
The volume (V) of the prism is calculated as
V = area of triangular base × length
area of triangle = 0.5 × 5 × 4.8 = 12 m², thus
V = 12 × 6.2 = 74.4 m³