Please hurry! What is the equation of the line that is perpendicular to y minus 3 x = 2 and that passes through (6,1)?

On a coordinate plane, a line goes through (0, 2) and (1, 5). A point is at (6, 1).

y = one-third x minus 1

y = one-third x + 3

y = negative one-third x + 3

y = negative one-third x minus 1

What is the number 321,000,000 in scientific notation? also what is the number? ?

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.