Supplementary is when two angles add up to 180
Complementary is when two angles add up to 90
Note: I'm gonna be giving the evens and odds xP
20. Angle 2 is 37
21. Supplementary
22. Angle 1 is 87
23. Angle 2 is 141
24. Complementary
25. Angle 1 is 4<span>5</span>
The number of computers increased by 38.9%
Step-by-step explanation:
Number of computers at start of week = Old value = 18
Number of computers by end of week = New value = 25
Change = New value - Old value
Change = 25-18 = +7
The positive sign indicates the increase.
Increase percent = 

Rounding off to nearest tenth
Increase percent = 38.9%
The number of computers increased by 38.9%
Keywords: difference, percentage
Learn more about percentages at:
#LearnwithBrainly
Answer:
Where's the equation?
Step-by-step explanation:
Where's the equation?
Answer: x = -5
Step-by-step explanation: you add -3 to the other side, which will look like x = 3 - 8