The equation yˆ=105.416x+1249.309 models the amount of money, in dollars, a charity raises during an annual event when x people attend the charity dinner. what does the y-intercept of the equation represent in context of the situation? it costs the charity $105 to host the dinner. if no one came to the dinner, the charity would still raise about $105. it costs the charity $1250 to host the dinner. if no one came to the dinner, the charity would still raise about $1250.