Boris has 2 1/2 times as much cash as Anna. Charlie has 3/4 as much cash as Anna. Anna

has $25.60 in cash.
a) How much cash do the three people have
altogether?
b) How much more cash does Boris have
than Charlie?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Which value would be a solution for x in the inequality 47-4x< 7

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?