The map of a biking trail is drawn on a coordinate grid
the trail starts at p(-2,1) and goes to q(6,1) its goes from q to r(6, -3) and then to s(9. -3)
what is the total length (in units) of the biking trail?
11
15
18
19

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

I’m really confused and need to learn this