Write an explicit formula for an, the nth term of the sequence 63,21,7

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

One integer is 8 times another. if the product is 72, then find the integers

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4