Answer:
Step-by-step explanation:
x and y are supplementary angles, so their sum is 180°.
x+y = 180°
x is 16° less than three times y
x = 3y - 16°
(3y-16°) + y = 180°
4y = 196°
y = 49°
x = 3y-16° = 131°
Answer:
9
Step-by-step explanation:
15(8-2)
15-(6)
9
1 book is 17.55
2 books is 16.70
3 books is 15.85
4 books is 15
5 books is 4.15
6 books is 4.30
7 books is (3.55)
Answer:
3
Step-by-step explanation:
50+10=60
20 x 3= 60
The correct answer is y-axis, x-axis, y-axis, x-axis.
