The coordinates of the vertices of triangle QRS are Q (1,-2), R (1,9), S (6,-4). What is the length, in units, of the line segment that connects
vertex Q to vertex R?
A 11
B 9
C7
D 5

What is the inverse of the function f(x)=2x+1

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?