It's 15 because
3 groups and 5 people in each group
and becomes 15
I HOPE THIS HELPS
Answer:
D
Step-by-step explanation:
A=bh
A=11.40*6.90
A=78.66 cm^2
Answer:

Step-by-step explanation:
Assuming, right and up are positive directions.
The given parent function, 
Let
be the function when the parent function is stretched by a scale factor of 2.
So, 

Let
be the function when
is translated
units right.
So, 

Again, let
be the function when
is translated 4 units up.
So, 

So, the resulting function,
.
Hence, option (1) is correct.
Sorry if it’s a bit messy. hopefully i could help!!