what is an equation in slope intercept for for the line that passes through the points (1,-3) and (3,1)?
a.)y=3x+1
b.)y=x+3
c.)y=2x+5
d.)y=2x-5

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?