5 Marie was hiking. She started at
10 feet above sea level and
then traveled up a mountain,
reaching 90 feet above sea
level. How many feet must she
descend to be at sea level?
athy

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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?