I dont understand this question.. 2x + 3 = -15

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Need same math paper but the back now i hope your able to read it cleary i need with hw