I need to know how to use a algebra calulater

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?

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1