Answer:
Step-by-step explanation:
Val takes her four sons, Hal, Cal, Sal and Mal, to get their hair cut. It's crowded, so there's only time for two of them to get
a haircut. Val has to decide who goes first and who goes second. Below are her choices. Which ones are missing?
1 answer:
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The diagram included should explain this.
In mathematics, a parametric equation defines a group of quantities as functions of one or more independent variables called parameters. Generally this parameter is given by t. This type of equations are commonly used to express the coordinates of the points that make up a geometric object like a curve or surface, in which case the equations are collectively called a parametric representation or parameterization. In the figures below, the equation:
matches with this one:
