Write in point-slope form and slope-intercept form the equation of the line through each pair of points
1. (0,1) and (3,0)
2. (-3,-2) and (1,6)

3. through (1,-19) (-2,-7)
4. through (-4,7) (-6,-4)
5. through (20,8) (9,16)

write an equation for each line
6.through (-1,3) and parallel to y = 2x + 1
7. through (2,2) and perpendicular to y = -3/5x +2
8. through (-3,4) and vertical
9. through (4,1) and horizontal

What is the missing step in this proof ?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?