Answer:
Step-by-step explanation:
<u>Line a</u>
- y = 5x - 6, it has slope of 5
<u>Line b</u>
<u>Rewrite in slope-intercept form to find its slope:</u>
- 5y = -x + 5
- y = -1/5x + 1
- It has slope of -1/5
Lines have different slopes: 5 and -1/5, therefore are not parallel
Answer: x = 11
Step-by-step explanation:
x+3 = 42/3 = 14
x = 11
Answer: n + 2 = 2n
Step-by-step explanation:
sum = add
number and two = n, 2
twice the number = 2 x n
Answer:
-8
Step-by-step explanation:
(7)*(-8) = -56
(-56) - (-8) = -48