During the first round of a game, silas scores 15 points. he loses 30 points during the second round and gains 10 points during his final turn. what is silas' final score?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =