Step-by-step explanation:
m< AOC = 90°
m< AOB +m<BOC = 90°
6x-12+3x +30 = 90°
9x +18° = 90°
9x = 90- 18° = 72°
x = 8°
m<AOB =6(8)-12 = 48-12 = 36°
1 yard = 3 feet
25 yards = 3 x 25 feet = 75 feet
They are teh same
=(-17) - 4
=(-17) + (-4)
=(-21)
Answer:
-
Step-by-step explanation:
Answer is - 1 , but can't show work with smart phone. Don't own computer.
Use my head for most numbers. Sorry
