If lia had 20 puppies, and then her friend took away 19 how many would be left

What is 7k plus 10-5k can you show the work!

Which relation is a function? A. { (-3,3), (-2,3), (-1,1), (0,4), (0,1) } B. { (-3,2), (-2,3), (-1,2), (0,4), (1,1) } C. { (-3,2), (-2,3), (-1,1), (0,4), (0,1) } D. { (-3,2), (-1,3), (-1,2), (0,4) (1,1) }

On the first day of vacation, you read one-quarter of a novel. On the second day, you read half of the remaining pages. On the third day, you read the last 108 pages of the novel.

Complete the sentence: similar figures have the

If the length of this pie is 5 inches, what was the area of the whole pie?

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.