Nota: R se refiere al conjunto de los números reales. C. Halla la distancia entre los siguientes pares de puntos. Redondea la
dos lugares decimales (9 pts.)
1. (4, 6)y (-2,7)
2. (-5,0) y (-5,3)
3. (-2,-6) y (7,3)
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Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

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.