The answer is: " 9a² + 7a " .
_________________________________
Note: (3a)² + 7a = (3a)*(3a) + 7a = 9a² + 7a .
_________________________________
To figure out how much she spent all we have to do is add up $0.85, $4.50 and $1.50
$0.85 + $4.50 + $1.50 = $6.85
Therefore she spent $6.85
Hope this helps
Answer:
A square
Step-by-step explanation:
When you say congruent the figures must be the same, not just the segments
when you say the segments have equal legnth, only the segments are compared
