These are negative and positive questions: Add:

14.7 + 28.9=
-9.2 + 4.4=
-81.4 + (-12)=
51.8 + (-0.8)=

Oh dear please help!

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.