Answer:
D
Step-by-step explanation:
D is the correct ratio. If his heart beats 12 times in 10 seconds, then it will beat 72 times in 60 seconds/1 minute if you use the proportion. D is the only correct ratio because it shows 72 beats:1 minute.
(2x+1)(x+3)
Not much explaining for that...
6
because 1 loaf =6 eggs and its asking for 1 loaf
It would be to the left of the whole equation.
Papi
