book Maths Puzzle Numerical Ability

Draw the appropriate graphs.

A small firm produces both AM and AM/FM car radios. The AM radios take 15 h to produce, and the AM/FM radios take 20 h. The number of production hou

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book Other Question

MAke diagram ,table and a graph illustrate how 4n+4 and 4(n+1) are the same trying to just double check the rest of my daughters review

foiling expressions

(x+3)(x^2+3x-2) I came up with 3x^4+3-2

It does not sound right but I tried the answer my daughter has is 3x^2+3-2