Elizabeth lives in san francisco and works in mountain view. in the morning, she has 33 transportation options (take a bus, a cab, or a train) to work, and in the evening she has the same 33 choices for her trip home. if elizabeth randomly chooses her ride in the morning and in the evening, what is the probability that she'll use a cab exactly one time?

isi

step-by-step explanation:

use that smart brain

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

the probability that a bird is green (.30) is true

step-by-step explanation: