Answer:
Step-by-step explanation:
4. 10x + 30 = 90
10x = 60
x = 6
complementary
5. 4x + 40 + 3x = 180
7x + 40 = 180
7x = 140
x = 20
supplementary
Answer:
-320 i guess
Step-by-step explanation:
51*-2*3-21+7=-320
If my math is right it would be y = 2x + 50<span>
</span>
Answer:

Step-by-step explanation:
![\displaystyle [POSITIVE, NEGATIVE] → QUADRANT\:IIII \\ [NEGATIVE, NEGATIVE] → QUADRANT\:III \\ [NEGATIVE, POSITIVE] → QUADRANT\:II \\ [POSITIVE, POSITIVE] → QUADRANT\:I](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5BPOSITIVE%2C%20NEGATIVE%5D%20%E2%86%92%20QUADRANT%5C%3AIIII%20%5C%5C%20%5BNEGATIVE%2C%20NEGATIVE%5D%20%E2%86%92%20QUADRANT%5C%3AIII%20%5C%5C%20%5BNEGATIVE%2C%20POSITIVE%5D%20%E2%86%92%20QUADRANT%5C%3AII%20%5C%5C%20%5BPOSITIVE%2C%20POSITIVE%5D%20%E2%86%92%20QUADRANT%5C%3AI)
I am joyous to assist you at any time.
The answer is in the photo