Answer:
Option A. 
Step-by-step explanation:
Let
d -----> the number of days
C(d) -----> the total cost
we know that
The linear equation in slope intercept form is

where
m is the rate or slope of the linear function
b is the y-coordinate of the y-intercept
In this problem we have that

The slope of the linear equation is equal to the charge of $25 per day to board dogs
so

The y-intercept is the value of y when the value of x is equal to zero
In this problem the C-intercept is the total cost when the number of days (d) is equal to zero
The C-intercept is equal to the cost of the bath $12
so

substitute the values

Answer:
h = -6
Step-by-step explanation:
-6h -6=30
+6 +6
-6h = 36
-6h/-6 = 36/-6
h = -6
Brainliest plz
Answer:

Step-by-step explanation:

Multiply by 10 on both sides,

so 
Answer:
riding a bicycle to and from school each day
Step-by-step explanation:
As this involves the constant application of force from the leg muscles, this will help to build a stronger body.
Answer:
x =x
Step-by-step explanation:
step 1 you can not identify an unknown variable therefore you leave it like that