Answer:
Step-by-step expla2nation:
He has $5.
2.39 + 1.06 = $3.45
5 - 3.45 = $1.55
He should get $1.55 back
Answer:

Step-by-step explanation:
y = log (tan 2x)
Applying chain rule:


Now since 
∴
∴ 
Answer:
$873
Step-by-step explanation:
3$ per roll.
291 rolls in total.
291 x 3 = 873
Whats the Question ? it doesn't make since you need more too the question