What is the 22nd term of the arithmetic sequence where a1 = 8 and a9 = 56 ?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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.