Answer:
a) -10
b) 7
Step-by-step explanation:
a) 



b) 




Your blood circulates a total of 128 times a hour, or 3 times a minute.
-hope this helps
@FauxGeoDuck
Answer:
3x + 12
Step-by-step explanation:
Distribute the 3
Answer:
a
Step-by-step explanation:
6^2+8^2=100
sqrt of 100 = 10