Jacob Lawrence was the first African American artist to . A. Gain acclaim from whites in the New York art world b. Sell a painting c. Be invited to the European Art Expo d. All of the above Please select the best answer from the choices provided A B C D.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling