bryan is buying notebooks and pens at an office supply store. notebooks cost $3.59 and pens cost $1.49. he can spend up to $13 on these items.

let x represent the number of notebooks. let y represent the number of pens.

what is the inequality that represents the situation.

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer