Painting a Room
2. Your friend offers to help you with the
the rest of the painting. It takes the two of you 150
minutes of painting time to finish the entire room. How much time did your
friend save you? (The pictures are just resources)

2 hours and 30 minutes

Step-by-step explanation:

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House painting is often an important step of the moving process. If your home or rental property is in need of a fresh coat (or two) of paint, you’ll have to decide how you want to proceed. Do you hire a professional painter or break out the ladder and purchase the exterior house paint yourself? Depending on the scale of the project, your time frame, and whether it’s an exterior or interior house painting job, the answer might be different. Read up on our house painting tips and tricks to see what choice is the best for you.

Step-by-step explanation:

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form

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step-by-step explanation:

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