Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. p2 + 5p + 6 > 0
A. (-2, ?)
B. (-?, -3)
C. (-3, -2)
D. (-?, -3) ? (-2, ?)
Answer: D
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Tell whether the statement is true or false. If false, give the reason.11 ? {22, 33, 44, 55, 66}
A. False; 11 is a factor of the elements. B. False; 11 is not an element of the set. C. True D. False; 11 is a set.
Water whose temperature is at 100 oC is left to cool in a room where the temperature is 50 oC. After 3 minutes, the water temperature is 94 oC. If the water temperature T is a function of time t given by 
, find k.
?
Round your answer to the nearest hundredth.
?
k ? __________
Fill in the blank(s) with the appropriate word(s).
Solve the system.x2 + xy + y2 = 28x + y = 2
A. 
B. 
C. 
D. 
Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.-18z4 - 2z3 - 6z2 + 9
A. Binomial, degree 10 B. Trinomial, degree 9 C. Trinomial, degree 4 D. None, degree 4