Mary spent half of her allowance going to the movies. she washed the family car and earned 6 dollars. what is her weekly allowance if she ended with 15 dollars ?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?