What is the answer for 100 - the sum of 3+x

A right triangle has a hypotenuse of length 20 and a leg of length 12. what is the length of the other leg? if necessary, round your answer to two decimal places.

Food bill before tax: $40 Sales Tax: 8% Tip: 17%

1. Mandy kept track of the trade-in value of a collector's coin for several months through February of this year.

7 Eddie had lunch at 10 minutes to 1 in the afternoon. Fatimah had lunch at 11 45 on the same day. Who had lunch later? How much later?

Lexi has obtained a 5/1 30-year ARM to purchase a $125,000 home. The fixed-interest rate is 4.75%, followed by a 5% rate with a 1.25% margin. What will her new monthly payment be after the initial fixed period ends?

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.