Answer:
15 degrees
Step-by-step explanation:
angle a= (180-90)/2=90/2=45 degrees
angle QRP = 60
Angle b = 60-45=15 degrees
Answer:
1. -17 2. -20 3. -5 4. -1
Answer:

Step-by-step explanation:
Express as product of prime factors.


The greatest common factor is the product of the least powers of the common factors.
The GCF is

Answer:
No he is not lol 16÷4=4, To buy 10, 10×4=40. 40-35=5 he needs 5 dollars more
It would be the first option