Indicate the equation of the given line in standard form.
The line containing the altitude to the hypotenuse of a right triangle whose vertices are P(-1,1), Q(3,5), and R(5,-5).

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?