Elena and jada are 25 miles apart when they start moving toward each other. elena runs at a constant speed of 6 mph and jada walks at a constant speed of 4 mph. how long does it take for jada and elena to meet?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

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.