In a state's Pick 3 lottery game, you pay $1.43 to select a sequence of three digits (from 0 to 9), such as 600. If you select the same sequence of three digits that are drawn, you win and collect $337.06. Complete parts (a) through (e).

a. how many different selections are possible?
b. what is the probability of winning?
c. if you win what is your net profit?
d. find the expected value (please show work for this part)

7

step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

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