Two runners in a marathon determine that the angles of elevation of a news helicopter are 39.5 degrees and 42 degrees. if the helicopter is 1950 feet directly above the finish line how far apart are the runners?

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