Answer:
82
Explanation:
78 respondents aged 18 to 22 use face book and 4 respondents aged 18 to 22 do not use face book. since there are no other options for the survey, the total number of students who were surveyed that are aged 18 to 22 would be 78 + 4 = 82.
i hope this helps! :D
Answer:
2
4
3
1
Step-by-step explanation:
Step-by-step explanation:
Looks like you want all equations converted into slope-intercept form.
- 2x + y = 2 ⇒ y = -2x + 2
- x + 2y = 4 ⇒ 2y = - x + 4 ⇒ y = - 1/2x + 2
- 2x - y = 2 ⇒ y = 2x - 2
- x - 2y = 4 ⇒ 2y = x - 4 ⇒ y = 1/2x - 2
Answer:
1a. Yes
1b. No
1c. Yes
Step-by-step explanation: