The width of a rectangle measures ( 3.2 t + 5.8 ) (3.2t+5.8) centimeters, and its length measures ( 1.8 t − 3.8 ) (1.8t−3.8) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

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?