Answer:
-14n - 2r - 21
Step-by-step explanation:
1: 10x-5
2: 6.5w-3y
3: 15+3n
4: not sure
Answer: its 40 days
good luck
click on the thanks button
(x+5) (x-3)
5 times -3= -15
5 + -3 = 2