During a period, a music station played 21 minutes of commercials which was 30% of the total time. What is the duration of the total time of music station under consideration?

Solve the inequality and graph 6j - 7 < 5

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in