The range of the following relation r {(3, −5), (1, 2), (−1, −4), (−1, 2)} is (1 point)

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.