Jose earned 50 points in a video game. he lost 40 points, then lost 30 more points. write and evaluate an expression to find his final score in the video game.

Which expression is equivalent to? assume x > 0 and y > 0.

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?