Answer:
<h2>The slope is undefined</h2>
Step-by-step explanation:
The slope of a line given two points can be found by using the formula

where
(x1 , y1) and (x2 , y2) are the points
From the question the points are (-11, -19) & (-11, -10)
The slope is

Any number divided by zero is undefined so the slope of the line here is undefined.
Hope this helps you
Answer:
350 RS
Step-by-step explanation:
18 x 225 = 4050 RS (this is how much he should pay)
4500-4050 = 350 RS (this is the change he will get)
The number of different ways that three speakers can be selected is 10 ways
Given the names of choice to be Ben, Will, Stewart, Hilary, and Kate. This means that we have a total of 5 name choices.
If the members of students activities are to select three speakers among these people, the number of ways this can be done is by using the combination rule as shown;

From the question, n = 5 and r = 3. On substituting

Hence the number of different ways that three speakers can be selected is 10 ways.
Learn more here: brainly.com/question/24145745
Answer:
A.) the SSS Postulate
Step-by-step explanation:
Two sides of each triangle are marked congruent, and the third side is shared by the triangles. Hence, all three sides are congruent, and the SSS Postulate applies.