Answer:
288
Step-by-step explanation:
40% divide by 100 will equal 0.4
then multiply 0.4 by 720 which equals to 288
Answer:
C
Step-by-step explanation:
using the cosine ratio to find p
cos 45° =
= 
cross- multiplying gives
p × cos45° = 6 → [ cos 45° =
]
p ×
= 6
multiply both sides by 
⇒ p = 6
( third option on list )
Answer:
20
Step-by-step explanation:
3x + x + 100 = 180 (sum of angles on a straight line)
4x = 180-100
4x=80
divide both sides by 4
x=20