What is the 3 digit number of the ones period in 288,322,170

2÷6+1/2 to the second power plus one

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Josephine has a great garden with and area of 2x2 + x - 6 square feet