2. spld. a car goes 4 m south and 3 m east. find the resultant vector using tip-tail
method.
a. 5 m southeast
b. 5 m southwest
c. 5 m northeast
d. 5 m northwest
100
t
d. 141

When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen