Answer:
3.78
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
$493.75
Step-by-step explanation:
- 25 × 19.75 = $493.75
I hope this helps!
Answer:
Use Heron's formula; see below.
Step-by-step explanation:
Use Heron's formula.
Let the sides of the triangle have lengths a, b, and c.


Example:
A triangle has side lengths 3, 4, and 5 units.
Find the area of the triangle.








Answer:
y=-2x+11
Step-by-step explanation: