Need help pls I need this

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=

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25