Na turma do 1° ano temos 18 estudantes, sendo que 1/3 são agricultores e 3/4 são pecuaristas. Quantos estudantes são agricultores e pecuaristas?​

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).