Question 1169590
.
<pre>

At least seven means 7, 8 and 9.


So, "How many website graphics can be created" = {{{C[9]^7}}} + {{{C[9]^8}}} + {{{C[9]^9}}} = {{{(9*8)/2 + 9 + 1}}} = 36 + 9 + 1 = 46.    <U>ANSWER</U>
</pre>

Solved.


Do not accept any other answer.