Which expressions are equivalent to 7^-2 * 7^6

[a] 7^2/7^-2
[b] 7^6/7^-2
[c] 7^-12
[d] (7^2)2

A and D

Step-by-step explanation:

In the attached file

$655.61 which is option c

step-by-step explanation:

price of house =   $146,000

initial rate = 3.5%

mortgaged paid in this = 3.5 % of $146,000

                                        =

                                        =$5110

the total years would be = 7

total mortgaged paid = 7 * $5110

                                      =$35770

remaining money = $146000-35770

                                =$110230

new mortgaged payment = 5 % of 110230

                                            =  

                                            =$655.61