Factor.r2 + 2rs + s2 - 9
A. (r + s + 3)(r - s - 3)
B. (r2 + 3)(s2 - 3)
C. (r - s + 3)(r - s - 3)
D. (r + s + 3)(r + s - 3)
Answer: D
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Solve the problem.A rectangle with sides parallel to the axes is inscribed in the region bounded by the axes and the line 
Find the maximum area of this rectangle.
A. 
B. 
C. 
D. 
The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring, versus 2 man-hours to make one SST ring.How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $30?
A. 10 VIP and 14 SST B. 14 VIP and 10 SST C. 14 VIP and 14 SST D. 12 VIP and 12 SST
Complete.0.631 mL = ____ L
A. 0.00631 B. 631 C. 63.1 D. 0.000631
Solve the problem.The height of an object dropped from a tall building is given by the table, where t is the elapsed time in seconds and h is the height in feet.
Find a quadratic function that fits the data.
A. h(t) = 16t2 - 900 B. h(t) = 900t2 - 16 C. h(t) = -16t2 - 900 D. h(t) = -16t2 + 900