11a + 9 = 4a + 30 how do i solve this problem. can someone me get the answer?

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'