Which of the following is a solution to the equation y=3x - 1? a. (4, 1) b. (2, 5) c. (4, 3) d. (0, -3) 2. which equation matches the statement "the sum of -4x and 2 is 9"? a. -4x + 2 = 9 b. -4x + 9 = 2 c. -4x(2) = 9 d. -4x - 2 =9 3. solve x - 6 = -18 a. x = -24 b. x = -12 c. x = 12 d. x = 6 4. solve 4x + 3 = 47 a. x= 11 b. x= 40 c. x= 44 d. x= 50

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

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.