3x + y > -3
x + 2y < 4

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол