Find the sum.
Fill in the blank(s) with the appropriate word(s).
–30
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Solve the problem.A company has three factories I, II, and III. Each factory employs both skilled and unskilled worker. The break down of the number of workers by type in the three factories is summarized by matrix A below. The hourly wage of the skilled worker is $15 and that of the unskilled worker is $10. Multiply appropriate matrices and compute the total hourly pay at each factory. 
A =
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What will be an ideal response?
The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property.5x + (-5x) = inverse property of addition
A. 0 B. -10x C. 10x D. -5x + 5x
Provide an appropriate response.Show that the points P1(2, 4), P2(5, 2), and P3(7, 5) are the vertices of a right triangle.
What will be an ideal response?
Use your grapher to graph: 
Then sketch the graph.