Kelsey, a marine biologist, has determined that the population () of Blue Whales off the coast of Antarctica varies with time, in months, (x). The
population changes have been mapped using the graph below. What is the
range of the population of Blue Whales off the coast of Antarctica from
months 0 to 10?
140
120
100
+80
-60

How can you construct perpendicular lines and prove theorems about perpendicular lines

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.