The correct choice is 64 feet
Answer:

Step-by-step explanation:
1 Subtract z from both sides.

2 Divide both sides by y

3 Switch sides.

2nd question
Answer: 
Step-by-step explanation:
1 Subtract h from both sides

2 Multiply both sides by j.

3 Divide both sides by k−h.

4 Switch sides.

Width=19
Length=17
72-4=68/2=34/2= 17 length
72-4=68+4=38/2=19 width
Answer:
m∠P = m∠Q = m∠R = 60º
Step-by-step explanation:
Because each of the sides are congruent, the angles are congruent. A triangle must add up to 180º, so when you divide 180 by 3, you get 60. Therefore, each angle is 60º.
Answer:
Its isosceles, so the the 2 sides other than st are equal. 2x+6=3x-6
Moves to one side. 12=x
x=12
Step-by-step explanation: