Recall that

There are three cases to consider:
(1) When

, we have

and

, so

(2) When

and

, we get

and

, so

(3) When

, we have

and

, so

So
❓❓❓Well think of real life problems?
To calculate the area of a triangle, multiply the base and the height, then divide the product by 2.
7*8=56
56/2=28
Area=28 feet squared
Answer:
10650
Step-by-step explanation:
b. -2.5 × 10-4 is the answer