exam Maths Puzzle Numerical Ability

Answer the following three problems using Addition, Graphing, or Substitution Method. Each method will be used once, and indicate which method you use.

a) x + 3y = 4
x

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exam Other Question

Identify probability values.
Which of the following values cannot be probabilities? and why?

0, 1, -1, 2, 0.0123, 3/5, 5/3, Find the area of a regular pentagon with apothem 15 meters. Show all work to receive credit.