you are on the committee to help plan the net school dance. the catering company said that for snacks and drinks for 50 people, it would cost $875. For 75 people, it would cost $1,625. the x-values represent nubers of people and the y-values represnt the cost. a) What are the two ordered pairs from the problem? b) Find the rate of change and initial value. Make sure to show all your work. c) what is the equation that represents this problem? How did you get this equation? d) What does the rate of change (slope) mean in context of the word problem? e) What does the y-intercept represent in context of the word problem?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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.

Find the value of x to the nearest tenth.