*Help Please TvT* {Picture Is In The Attachment}

The number line shows how Isa's blank balance decreased after writing several checks
Which balance is $86 more than the balance of -$47.90

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

What is the equation of the graph below? y=sec(x)-4

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?