Ella play a math game and had these five cards 70 -42 -10 her score was the sum of the numbers on these five cards what was Ella's score

We just started the introduction into circles and i have no idea how to do this.

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.