Find the sum of a finite arithmetic sequence from n = 1 to n = 10, using the expression 3n − 8.

56

85

54

116

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

The system of equations graphed below has how many solutions? y = 2x + 2

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?