To which set of numbers does the number belong?

-1.875
select one:
a. integers
b. natural numbers
c. rational numbers
d. irrational numbers

to which set of numbers does the number belong?

-15/13 thats a fraction btw
select one:
a. rational numbers
b. natural numbers
c. integers
d. irrational numbers

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

What is the slope of the line shown below?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.