Aling minda used 1/4 meter of cloth to make a pillowcase and 1/3 meter to decorate the pillowcase. How many meters of cloth did she use in all? solution pls :)

Answer this 30 points and brainliest!

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia