Answer:
1.2 minutes
Step-by-step explanation:
60 min = 20 km
? = 0.4 km
? = (0.4 * 60) / 20 = 1.2
Graph using y=mx+b. The point of intersection is (3,8)
Answer:
ax^2 + bx + c = 0
Here is a specific example:
5x^2 - 3x + 2 = 0
In other words:
You have zero on the right.
On the left, you have the powers of “x” in descending order.
Answer:
28980
Step-by-step explanation:
Also "<em>nice</em>"
You can eliminate 81 because we know 
The dot is on approximately 9.32 (my estimate) so I would square that number:
(9.32)² = 86.8624 so if you round this you get 87