Let a = {1,3,5,7,11}
b = {7,5,11,3,8}
1. find a set c such that |c ⋂ a| = 1 and |c ⋂ b| = 0

he earned 78.75 in interest.

step-by-step explanation:

yes, gavin is right.

step-by-step explanation:

gavin is correct. 

this problem is about converting 9% per year to how many percent per quarter. the rate is still the same. it only differed in the time period. so, through dimensional analysis,

9% per year  × (1 year / 4 quarters) = 2.25% per quarter

if he was asked to convert 9% per year to how many percent per quarter  compounded quarterly, then you will not simply divide by four. this is because compounding is not linear.

hope this , have a good day. c;

sorry i really don't know what tiles and steps you are referring to

step-by-step explanation:

i'm pretty sure the answer is a. decreases with increase in