Lukas and nick are following a recipe to back cookies. lukas puts 3/8 of a cup of flour in the bowl, and nick adds another 3/8 of a cup of flour. how much flour do they put into the bowl altogether? show your work.

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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?