Diberi 8, p, q, s, t, 1/4 ialah enam sebutan pertama bagi suatu janjang geometri. Cari(a) the values of p, q, s and t. nilai-nilai bagi p, q, s dan t. (b) the sum of all the terms from the 6th term to the 12th term. hasil tambah semua sebutan dari sebutan ke-6 hingga sebutan ke - 12 [6 marks/6 markah]

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?