B С
ABCD is a parallelogram.
The diagonals of ABCD intersect at O.
OÀ=a and Oß = b
b
a) Express the vector CÁ in terms of a.
D
А
b) Express the vector AB in terms of a and b.
c) Express the vector BC in terms of a and b.

(I know a&b but not c)

27

step-by-step explanation:

,jkulgiurutrjyftkugyi.uykujuyxjdkytuf,yukj

step-by-step explanation:

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.  

the distance between the school and her home is 3.6km.

12 mins = 0.2 hours = 1/5 hour

54 ÷ 3 = 18km per hour

1/5 of 18 = 3.6km per 12 mins