For the given quadratic equation, determine whether the parabola opens up or down, find the vertex of the parabola, and find the axis of symmetry.y = x2 - 6x
A. up; (0, 6); x = 6
B. up; (6, -36); x = 6
C. up; 
; x = 3
D. up; (0, 0); x = 0
Answer: C
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Use an identity to find the value of the expression. Do not use a calculator.sec2 55° - tan2 55°
A. 1 B. 0.30 C. 0.55 D. 0
Solve and check.-7.3 = 16.3 - x
A. x = 23.1 B. x = 9 C. x = 23.6 D. x = 8.5
Solve the problem.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 and 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 $50 and on an SST ring is $10?
A. 20 VIP and 0 SST B. 24 VIP and 4 SST C. 24 VIP and 0 SST D. 20 VIP and 4 SST
Find the product. Assume all variables have non-negative values.(4 + 
)(4 - 
)
A. 21
B. 4 - 2
C. -1
D. 11