A. The independent variable is time, as time is manipulating the value of her salary.
b. The dependent variable is her cost because what she charges for babysitting depends on how long she works.
c. y = 8x
y = how much she charges for this job
8 = the amount she charges per hour
x = number of hours babysat
Answer:
(x-5, y+3)
Step-by-step explanation:
According to the question statement, the total sum of students is 221, which includes the students that ride on bus and the students that ride in a van.
The students that ride in a van are five, the students that ride on bus are 6 times s which is the product of the number of buses and the number of students that are on each bus.
Write all this information into an equation, this way:

Now, solve the equation for s to find the number of students that are on each bus.

There are 36 students on each bus.
Answer:
You can find the midpoint of a line segment given 2 endpoints, (x1, y1) and (x2, y2). Add each x-coordinate and divide by 2 to find x of the midpoint. Add each y-coordinate and divide by 2 to find y of the midpoint. It's important to note that a midpoint is the middle point on a line segment.
In order to see the midpoint formula in use, let's look at an example.
Question:
Determine the midpoint of the line segment with the given endpoints.
A(3, 7), B(9, 1)A(3,7),B(9,1)
Solution:
We can use the formula for midpoint to determine the midpoint: M= (x1 + x2/2 , y1+y2/2)
First, plug the x and y value into the formula:
M=(3+9/2 , 7+1/2)
,
Then, we can calculate the midpoint:
(6, 4)
2. no number is associated with it
qualitative describes the appearance of sth like it's blue