Answer:
Step-by-step explanation:
You just substitute in what x equals. ex. x=16, x-7 : 16-7=9.
x-7
1. x= -8; -8-7= -15
2. x= -11; -11-7= -18
3. x=16; 16-7= 9
Answer:
i think its 63
3:4
84 divided by 4 equals 21, so then you multiply 3 by 21 and get 63
Answer:
pies
Step-by-step explanation:
First, we can find the speed that Stacy takes to bake pies per hour before solving for how many pies she can bake in 9 hours.


Pies Stacy bakes in 9 hours 
pies
∴ Stacy bakes 21.75 pies in 9 hours
Hope this helps :)