What type of triangle has side lengths of 4 7 and 9

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

Me. i need an answer asap. , you! select the correct answer from each drop-down menu.simplify the given polynomial and use it to complete the statement.the polynomial simplifies to an expression that is a blank with a blank degree of blank .

What is the missing step in this proof ?