Answer:
-0.4
Step-by-step explanation:
Point A
(
x
A
,
y
A
)
= (-1, 1)
Point B
(
x
B
,
y
B
)
= (4, -1)
Objective :
Find the slope of a line that passes through points A and B.
Formula :
Slope
m
=
y
B
−
y
A
x
B
−
x
A
Solution:
Slope
m
=
−
1
−
1
4
−
−
1
=
−
2
5
m = -0.4
Answer:
B. 
Step-by-step explanation:
The given circle is centered at
and has radius 3 units.
The equation is given by

where (a,b) is the center and r is the radius.
We substitute the values to obtain;


Answer:
1) 
2) 
3) 
4) 
Step-by-step explanation:
1) Since the whole angle is
, and to find the other angle, which is labeled as
, you subtract
from
:


2) Since you already have two angle measures
and
, you add them up and subtract it from
to get the angle measure for
:



3) Same thing from number 1. Subtract
from
:


4) Same thing from number 2. Add
and
and subtract it from
:



The two ratios that are equivalent to, 2:9 are 18:81 and 12:54. Hope it helps