91. 60 ft by 180 ft

93. 7 and 21

95.

1. 88%

2. 90%

97. 20 cm by 25 cm

99. 4 in. and 12 in.

101. 2 in.

103. 19.8 in. by 19.8 in.

105. After 6 hours

107. 6 ft

109.

1. 160 ft

2. After 1 sec and after 6 sec

3. 7 sec

111.

1. 1.59 sec and 4.41 sec

2. 9.24 sec

113.

1. 0.45 sec and 15.55 sec

2. 17.70 sec