Which of the following obtains data from a subset of a population to evaluate traits of the population (4 points) a. census
b. experiment
c. observational study
d. sample survey
e. crosssectional survey

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°