Answer:
hm I say C yess
Step-by-step explanation:
yas yw ;) heh
Answer: 10
Step-by-step explanation:
So to find range you take the highest number and subtract it by the lowest
I am unsure about the very last problem but I can help with the first two
1) (y+1)+4
If we combine the numbers 1 and 4, we get +5 and can isolate the numbers from the variable.
This would give us

2) (6*r)*7
remember that we do not have to explicitly state 6*r
Instead, we can write it as 6r
this helps us get rid of the parentheses
now we can write it as

I hope this helps!:)
Lateral area: 339.29
surface area: 565.49
Answer: 5 x 15= 75
Step-by-step explanation: