Solve the system of linear equations by the method of elimination. Find (x,y) and check your solution algebraically.
?
?
A. ?(1, 4)
B. ?(4, 1)
C. (-?4, -1)
D. (?4, -1)
E. ?(1, -4)
Answer: B
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Provide an appropriate response.What is the name of a triangle with no equal sides?
A. scalene triangle B. equilateral triangle C. right triangle D. isosceles triangle
Write an equation. Then, solve and check.A pancake recipe calls for 3
pounds of flour. David already has 2
pounds of flour. How many more pounds does he need?
A. x - 2
= 3
; x = 6 lb
B. x - 2
= 3
; x = 
lb
C. 2
+ x = 3
; x = 6 lb
D. 2
+ x = 3
; x = 
lb
Solve the problem.The function P(x) = 0.62x2 - 0.048x + 1 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 31,044 fish?
A. 2006 B. 2004 C. 2005 D. 2003
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 in order to maximize the company's profit, if the profit on a VIP ring is $20 and the profit on an SST ring is $50?
A. 0 VIP and 24 SST B. 12 VIP and 12 SST C. 4 VIP and 20 SST D. 0 VIP and 20 SST