Answer:
-50
Step-by-step explanation:
b-5 
b-5 = -45 ( collect like terms)
b = -45 + -5
b = -45 -5 b = -50
Step-by-step explanation:
Can't see the picture very So can you updated
Answer:
I'll explain you number one
3
Step-by-step explanation:
You first subtract the single number (1) subtract to 10 which gives you 9, then you will divide 3 from 9 which gives you 3
Sorry I couldn't help you with there other ones.
Answer:
300
Step-by-step explanation:
Trust me I took the test, Merry Christmas
Answer:
30 minutes
Step-by-step explanation: