TAREAS DIAGNÓSTICAS 8. A partir de los siguientes conjuntos, realice las siguientes operaciones con
conjuntos.
A = {0; 5; 10; 15)
B = (1,3; 5; 7)
C = {1;2;3; 4)
D = {0; 2; 4; 6; 8)
E = {4; 5; 6; 7;8} F = {3; 4; 5; 6;7) 6 = {4;8; 12}
H = {1;3; 6; 9)
AYUDA XFA​

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles