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For part a), type only the answer in the box provided. Email a pdf of written work for part a) along with the work and sketch for part b). a) Find the equation of a sphere if one of its diameters has endpoints (5, 4, 3) and (1, 6, -9). b) Sketch the intersection of this sphere with the xz-plane.

Type only the answer in the box provided. Email a pdf of written work. Find the area of the parallelogram with vertices P(1, 0, 2), Q(3, 3, 3), R(7, 5, 8), and S(5, 2, 7).

If two vectors are co-linear, then their dot product will be zero.

Once malware infiltrates a device, which of the following can give hackers open access to your computer?

Which of the following can be used to take down any server so that it can no longer provide its intended service?

Which port is used for remote access on Windows computers?

Find the center and radius of the circle.(x – 3)2 + (y – 7)2 = 25

Solve the equation.3x + 1 – 3(x + 1) = -(-4x – 7)

The breakeven analysis determines the amount of sales needed to cover all fixed cost and variable costs, plus any income desired by a company.

Ambinu Flower Company provides flowers and other nursery products for decorative purposes in medium to large sized restaurants and businesses. The company has been investigating the purchase of a new specially equipped van for deliveries. The van has a value of $133,750 with a six-year life. The expected additional cash inflows are $52,500 per year. What is the payback period for this investment?