If you save $25 a month, how many months must you save to buy a stereo costing $225

What is this equation in point-slope form?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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?