Answer:
22
Step-by-step explanation:
double negative is a plus sign
13--9=22
Answer:
Option B is the correct answer.
Step-by-step explanation:
Here 
is a rational number and 
is an irrational number whose sum gives irrational number.
(75 inches) + (50 feet) = 675 inches
<u>Question 2</u>
1) 
, 
(given)
2) 
(reflexive property)
3) 
and 
are right angles (perpendicular lines form right angles)
4) 
and 
are right triangles (a triangle with a right angle is a right triangle)
5) 
(HL)
Question 3
1) 
is a right angle, 
, 
(given)
2) 
is a right angle (perpendicular lines form right angles)
3) 
and 
are right triangles (a triangle with a right triangle is a right angle)
4) 
(reflexive property)
5) 
(HL)
6) 
(CPCTC)
7) 
bisects 
(if a segment splits an angle into two congruent parts, it is an angle bisector)
