I have been on these problems all day and no one answered by question(truthfully) so here are my questions.also i will give u brainliest, a lot of points, and a thanks, and a 5 star rating :) Please help me

Step-by-step explanation:

1.

slope=rise/run=2/4=1/2

2.

slope=rise/run=6/2=3

3.

take any two points passing through corners of squares.

slope=rise/run=2/3

4.

slope=(13-4)/(5-2)=9/3=3

5. same as 4.

ur mom

step-by-step explanation:

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5