The restaurant pizza by the ? offers six sizes: personal (8 in.), small (10 in.), medium (12 in.), large (14 in.), extra large (16 in.), n-zilla (24 in.) ‘
8 inches = $6.99
10 inches = $9.49
12 inches = $10.99
14 inches = $11.79
16 inches = $13.99
24 inches = $25.99
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Part A: What is the rate of change in cost when moving from a medium pizza to a n-zilla?
a - $0.79
b - $1.25
c - $1.49
d - $1.99
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Part B: What does this value mean in the context of this problem?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 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.

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?