Decrease an integer by 20 w/the correct algebraic expression

2x-20

20-2x

X-20

20-x

Which equation below would be best solved by using the addition property of equality? - 23=45 237=45 F+23=45 F-23=45

Melanie invested 5,500 in an account paying an interest rate of 6.9% compounded continuously. How much money to the nearest dollar would be in the account after 11 years

What is the common denominator in 10 1/3+7/9

What did the candle say to the match

Approximately how many times greater is 9.75*106 than 1.25*102? 7.8 7800 78,000 780,000

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.