Mitchell needs to take 2 medications. One medication he takes every 4 days, the other he takes every 3 days. On which day will he take both medications. Is this a GCF or LCM question and solve.

Ihave trouble finding the nth term of a linear sequence

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

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?