An ecologist took samples of several different tundra plants.

caribou moss 26
saxifrage 8
pasque flower 5
labrador tea 18

what is the probability that a randomly selected plant sample is labrador tea?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.