Answer:
Step-by-step explanation:
Answers in order:
7 + 7b - 4 = -6
7b + 1 = -6
7b = -7
b = -1
Hope this helps!
Answer:
Oh cool! The answer is 90 since a and c or parallel, b cuts through them perpendicularly, forming a right angle.
Step-by-step explanation:
-7x -7y = 21
Y = 6
Since they are giving you the value of 6 you just plug it in the equation
-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42
-7x = 63
/-7. /-7
X = -9
The answer is 56 hope this helps