9514 1404 393
Answer:
$105
Step-by-step explanation:
The thicker wall takes 345 -205 = 140 more blocks. Each of those costs $0.75, so the added blocks will cost ...
140 × $0.75 = $105
The thicker wall will cost $105 more.
Answer:
Sum of the interior angles of the triangle is 180°.
According to the above problem,

<h3><u>y=26</u><u>°</u> is the right answer.</h3>
About 480.4 or 480.4262466 if you need the whole thing