Question

I don’t know any of it please can someone help me

Answer 1

a]148

b]150.5

c]60

Explanation:

a]149+111+171+166+152+129+162+144

1184/8

148

b]arrange in ascending order

111,129,144,149,152,162,166,171

149+152

301/2

150.5

c]highest-lowest

171-111

60