Would you change these two mixed numbers into improper fractions? 23/8 and 19/6.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?