15x + 30y = -10....reduce by dividing by 5
3x + 6y = -2...same as first equation...same line ..means infinite solutions
Answer:
<6 = 117 degrees, <7 = 63 degrees
Step-by-step explanation:
- <3 and <6 are consecutive interior angles, meaning they are supplementary.
- <3 and <7 are same-side exterior angles meaning they are congruent.