This is a case of direct variation.
For each hour traveled, the car traveled 50 miles.
d = 50t
She’ll have to make 4 more stitches in order to get 6 good ones. Each time she creates 3 she undoes 2 which after 4 more times would leave her with 6 good stitches.
The first test was 68 points
If it involves an Arc, the inscribed angle is 1/2 of the measure of the are across from it. If the figure inscribed in a quadrilateral, opposite angles are supplementary (when added together equals 180 degrees) This is all I know :)
solving the equation
we get 
Step-by-step explanation:
Solve the equation:

We can solve using quadratic Formula:

a= 1, b = -12, c = 40
Putting values:

So, solving the equation
we get 
Keywords: Solving quadratic equation
Learn more about Solving quadratic equation at:
#learnwithBrainly