Billy and mandy eastwood recently divorced, and mandy has custody of their 5-year-old daughter. as part of the divorce settlement, billy must pay mandy $3,000 at the end of each half year until their daughter reaches age 16. billy decides to put a lump sum into an account with a guaranteed yield of 5% compounded semiannually. find the lump sum deposit he must make today to equal the balance of the annuity after 13 years.

$56,851.83

$108,035.12

$153,340

$281,807.19

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

answer: c. is your answer

step-by-step explanation: get me a black leather coat

step-by-step explanation: