Consider the sets below. a {x\x is a polygon} b {x|x is a triangle} which is true? acb bca o a°=b bº=a

dude thats to long figure it

step-by-step explanation:

c=x-39/5

x=39/5+c

step-by-step explanation:

answer: $53750

steps:

list the principal and interest after the n-th year:

n       principal   simple interest

1     12500     375

2     25000     750

3     37500     1125

4     50000     1500

sum: $50000     $3750

total at end of year 4: $53750