Solve the differential equation by an appropriate method.
cos(x) y''' + 1/sec(x) y' = sin(x)

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

What is the value of x in the equation 2(x-4) = 4(2x + 1)?