Answer:
definitely B
Step-by-step explanation:
144+64= 178

a^2+b^2= c^2
Whenever finding a missing length use the formula up above :
a^2+b^2= c^2
a^2-b^2= c^2
144-64= 80

Answers are 13.3 and 8.9
Answer:
135°
Step-by-step explanation:
To convert from radians to degrees
degree = radian × 
Thus for 
degree =
×
( cancel the π )
= 
= 
= 135°
Answer:
Line M is neither.
Line N is perpendicular.
Line P is neither.
Line Q is parallel.
Step-by-step explanation:
Parallel lines are lines whose slope are the same. Line q is the exact same slope. It is parallel.
Perpendicular lines are lines whose slopes are the negative reciprocal of each other
,
. Line n is 4/3 and is perpendicular.
Line m and p are neither.