Perform the indicated operations.(9x2 + 3x) - (9x - 1) + (4x2 - 4)
A. 13x2 - 6x - 5
B. 13x2 - 12x - 5
C. 13x2 - 6x - 3
D. 13x2 - 12x - 3
Answer: C
Mathematics
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Describe the situation with a linear inequality and then solve the inequality.It takes 17 minutes to set up a candy making machine. Once the machine is set up, it produces 60 candies per minute. Use an inequality to find the number of candies that can be produced in 8 hours if the machine has not yet been set up.
A. ? 8160 candies B. ? 480 candies C. ? 27,780 candies D. ? 7140 candies
Mathematics
Solve the polynomial inequality.(x - 3) (x2 - 3x - 10) < 0
A. (-?, -2) ? (3, 5) B. (-?, -2) ? (3, ?) C. (-?, 5) D. (-2, 3) ? (5, ?)
Mathematics
Combine like terms.38
t + 23
t
A. 60
t
B. 62
t
C. 66
t
D. 62
t
Mathematics
Identify the equation as either an identity or not.tan 
= -cot A
A. Not an identity B. Identity
Mathematics