What's the answer to 45c-39c?

The sum of three consecutive numbers is 42. What are the three numbers?

The function F (x) = 6^x+1 models the fly population in a controlled experiment after x days. according to the model, after how many days will there be 1,296 flies?

Two rectangles are similar. One has a length of 11 cm and a width of 10 cm, and the other has a width of 7 cm. Find the length of the second triangle. Round to the nearest tenth if necessary. A) 5.8 cm B) 8.9 cm C) 6.4 cm D) 7.7 cm

The Barker family just left the local pet store with Lucky, their new family dog. The pet store owner told the Barker family that for the next 6 months, Lucky would grow at an average rate of 9 pounds per month.

What is the value of n? -8 (4+4n) = 8 (n+6)

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.