Convert the units.8000 lb = 
t
A. 4
B. 4
C. 5
D. 3
Answer: B
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Insert the correct sign of inequality (> or <) between the given numbers.-8 -1
A. -8 < -1 B. -8 > -1
Suppose that an automobile manufacturer has accepted orders for 30 minivans, 25 sport utility vehicles, and 15 sedans. These orders can be represented by the row vector Q = [ 30 25 15 ].The "raw materials" that go into each type of vehicle are steel, glass, plastic, paint, and labor. The entries in matrix R below give the number of units of each raw material (in this order) which are needed for each type of vehicle. R = 
. Suppose that steel costs $800 per unit, glass costs $400 per unit, plastic costs $300 per unit, paint costs $200 per unit, and labor costs $1000 per
unit. This data can be written as the column cost vector C = 
. The price the manufacturer negotiated for each minivan is $16,000, for each SUV is $21,000, and for each sedan is $13,000. This information can be written as the column price vector P = 
.Find the total cost of raw materials for these vehicles.
What will be an ideal response?
Write the fraction as a decimal.
A. 0.3548 B. 0.03548 C. 0.003548 D. 3.548
Solve the equation exactly in the complex number system.x3 + 7x2 + 25x + 175 = 0
A. x = -7i, x = ±5i B. x = -5, x = ±7i C. x = -5i, x = ±7i D. x = -7, x = ±5i