Christina polled 92 pet owners in the city. Is this sample of people in the city likely to be biased?
yes/ no

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn