This double-bar graph shows the number of male (M) and female (F) athletes at a university over a four-year period. Answer the question.
How many students were involved in athletics in Year 4?
A. 750
B. 825
C. 775
D. 800
Answer: D
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Provide an appropriate response.The solution of 
? 0 is
A. x ? -3, x > 
.
B. -3 < x ? 
.
C. -3 ? x ? 
.
D. x ? -3, x ? 
.
E. x < -3, x ? 
.
Express the number in terms of i.
A. 
B. -19i
C. 
i
D. -
i
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 amount of each raw material the manufacturer will need to fill the orders.
What will be an ideal response?
Evaluate the factorial expression.
A. 6
B. 
C. 30
D. 2!