Answer:
4 is the slope
Step-by-step explanation:
Sum of two angles that are complementary = 90°
<em>m</em>∠1 + <em>m</em>∠2 = 90°
Given :
<em>m</em>∠1 = 12°
Then :-



<h2>∴ <em>m</em>∠2 = 78°</h2>
Hey there,
So there would be 150 students × by $1.20 per person would be $180.
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→ All that was needed to do was to do 150 students multiplied by the prices of 1.20. That's it! Final answer would be $180.
Final answer $

Hope this helps.
~Jurgen