Ms. Nelson had 64b dollars. She gave 1/8 of a to our sun in spent $45 how much money did miss Nelson has left express your answer in terms of B

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Eiko is wearing a magic ring that increases the power of her healing spell by 30%30\%30%30, percent. without the ring, her healing spell restores health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?

If a + b = 4, what is the value of |4 – a| + |4 – b|?