Answer:
a = -6
Step-by-step explanation:
The given line in point-slope form is y + 2 = (1/2)(x - 4).
Replacing x with -4 yields y + 2 = (1/2)(-4 - 4) = (1/2)(-8)
Then y + 2 = -4, and so y = -6, or a = - 6.
Answer:

Step-by-step explanation:
The given equation is

This implies that;

Solve for x to obtain;


Answer:
2239
Step-by-step explanation:
Given-
Percent of peopl polling yes to the question "Are you in favor of the death penalty for a person convicted of murder?"
%
Margin error in the poll
%
Confidence Interval
%
The alpha value is 
The
for Confidence Interval of
% 
The sample size is given by

Where,

Answer:
and 
Step-by-step explanation:
Let
x -----> the number of polyphonic ringtones
y ----> the number of standard ringtones
we know that
-----> equation A
-----> equation B
Solve the system of equations by substitution
Substitute equation A in equation B and solve for y





Find the value of x
28°
Since KL and FG are perpendicular they create a 90° angle. 180-90-62=28