Looks as tho' you want the magnitude of a vector in the plane.
|| cu || = || c ||*||(5,-12)
= 3 * sqrt(5^2+[-12]^2)
= 3 * 13
= 39 (answer)
| Formula for the volume of a cone:
Step-by-step explanation:
A = equation 4
B = equation 1
C = equation 3
D = equation 2
Hope it will help you :)
The second one might be the answer
Negative, increase, decrease.
Positive, increase, increase.