Answer: 54 mph
Step-by-step explanation:
d-the distance
s+9 - the speed to the conference
d=6*(s+9)
s- is the speed on the way back home
d=7*s
so 6*(s+9)=7*s
6s+54=7s
-6s -6s
54= 7s-6s
s=54 mph
Answer:can’t read it
Step-by-step explanation:
Can you take a pic closer to the screen?
Answer:
Distributive Property
Step-by-step explanation:
The distributive property of multiplication over addition can be used when you multiply a number by a sum.
You need to contact the app about that, try maybe their customer service or their email?