Answer:
D. $15x+20<$110
Step-by-step explanation:
$15 times the number of days plus the service fee should be less than $110.
Answer:
A: (m + p, n + r)
Step-by-step explanation:

Answer:
2 x 5
Step-by-step explanation:
Think of it as "the value 2 is being added together 5 times" being added together so it could be written as 2 times 5.
2⃣, -4⃣ = x; no radical necessary.