To create an entry code for a particular push-button lock, you need to choose a letter and then, three single-digit numbers. How many different entry codes of this type can you create?

How many natural numbers n satisfy the inequality: 1/7 < n/10 < 4/5 ?

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 tt of tokens james has is a function of gg, the number of games he plays

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points