Answer:
figure 5
Step-by-step explanation:

Explanation:
There are 1000 meters in every kilometer.
April mows 4/8 of an acre of grass per hour
I got this answer because I divided 45÷3 and got 15. So, I know that 15×4=60 and in minutes that equals a hour. I changed 3/8 to 4/8 since it was multiplying 4×15 instead of 3×15.
Answer:
1.04 mill
Step-by-step explanation:
15 inches to mill = 381
= 1.04 ( rounded )
The cross product of two vectors gives a third vector

that is orthogonal to the first two.

Normalize this vector by dividing it by its norm:

To get another vector orthogonal to the first two, you can just change the sign and use

.