Why are undefined terms necessary in geometry

In a jar there are 3 yellow candies, 3 blue candies, and 2 orange candies. What percent of the jar is filled with orange candies?

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.

A dilation can be used to build a geometric pattern. The graph shows the first three terms of a pattern by applying the same dilation rule to the previous square, starting with the smallest square.

X+y=-4 slope intercept form

68.2 divided 10 power of 1

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c

If a figure has 5 sides 5 vertices and no equal sides what is it? it is a polygon BTW

If I rent a boat for $25 per hour and a charge additionally $12 for fuel is the number of hours I rent the boat proportional to the total cost

90,88,88,87,84,95,90,80,98, and 100 (A) find the mean of these numbers (B) find the median of these numbers