Stickers are made with the same ratio of wide to length. a sticker with 2 inches wide has a length of 4 inches

With this question! what is process of elimination? ? p.s. my brothers acc got banned so add his new one @ yamauchiyamyam17

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?