Why do ratios work in math

Nike has decided to sell special high quality insoles for its line of basketball tennis shoes. It has fixed costs of $6 million and unit variable costs of $5 per pair.

How many 2/3 cup sugar bowls can be filled from 6 cups of sugar?

4) A survey was taken on student's favorite video game systems. What percentage of the students prefer Xbox? # of Students 14 System PS4 XBox Nintendo Switch 12 A) 12% B) 4% C) 40% D) 60%

Y-4=0 in standard form

42 - (-25) 33 - (-77) 44 + (-18)

If g (4) = 16, g (5) = 18, g (6) = 20, then g (3) = ?

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

3.) What is h (5) ? What does this mean?

I was wondering how to find these things about the Singapore flyer (ferries wheel) ? The measure of the central angle in degrees, the measure of the central angle in radian, the arc length between two cars, and the area of a sector between two cars?