Please answer asap and dont get it wrong

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base