Least common multiple of 26 52 and 65

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

15/16 as a decimal rounded to the nearest hundredth

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?