Answer:

Step-by-step explanation:
Given



<em>See attachment</em>
Required
Which sine of angle is equivalent to 
Considering 
We have:
--- i.e. opposite/hypotenuse
So, we have:

Divide by 4

Hence:
is correct
Answer:
X+4
Step-by-step explanation:
8+3x=25-x
3x+x=24-8
4x+16
Answer:
a=-22
Step-by-step explanation:
Multiply both sides of the negative equation by (-2) to get the equation:
a-4=13(-2)
then simplify to get:
a-4=-26
then isolate the variable by addig 4 to both sides of the equation to get:
a=-26+4
simplify to get:
a=-22
Answer:
600,000(.90) 327,290
Step-by-step explanation:
Answer:
2. Alex sent the questionnaire only to those who live near her.
Step-by-step explanation:
Given scenario is :
Alex is conducting a survey for a car company. She decides to start by interviewing some people in her neighborhood.
She prepares a questionnaire and emails it to 50 neighbors who own cars. Of those neighbors, 24 respond.
We can see that Alex sent the questionnaire to only her neighbors or people who live near her, so this will be the reason the sample will be biased.