Answer: -7
Step-by-step explanation: .........................
80+10x is the expression. To find the cost for 9 guests, simply plug in 9 for x. This becomes an equation reading 80+10(9)=170. The total cost for 9 guests is $170.00.
Answer:

Step-by-step explanation:
Suppose number is x
Following equation can be written from question statement

Simplifying it further




Answer:
4 cm
Step-by-step explanation:
V=L×W×H
V=1 litre = 1000 cm³
H= V/LW
1000/(12.5×20)=4
height= 4cm
Answer:
782
Step-by-step explanation:
Since it's asking for the before game miles youd have to take he total yards.
(871)
The you wanna take the total yards ran from that one game.
(89)
Then just subtract by the number of yards total and the number of yards ran in that one game.
871-89=782