What is the 11th partial sum of the arithmetic sequence {1, 7, 13, 19, …}? a. s11= 341
b. s11=374
c. s11=257
d. s11=110

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Wrote and expression for the difference of p and 4