What is the common difference between successive terms in the sequence? 9, 2.5, –4, –10.5, –17,

Which of the following can be used to explain a statement in a geometric proof?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8