HELP ME PLEASE Which of these is a formula that can be used to determine the nth term of the arithmetic sequence 15, 27, 39,51,...?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.