Can some help me on math test it's 20 questions I have to show my work and kind of struggling with it and can’t message anyone on here can someone add me on something please

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.