Which of the following represents the statement “The sum of twice a number and 20 is greater than 50.? A. 2v + 20 = 50
B. 2(v +20) > 50
C. 2(v + 20) > 100
D. 2v + 20 > 50

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Fast! find the length of cu. the triangles are similar. show your work.