Which are equivalent ratios to 1:4? Check all that are true.

3:12

2:6

4:16

1:5

2:8

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Ineed with number 6 , explain how to get 1978

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?