Simplify by combining like terms.-5b + 3b

A. 2b2
B. -2b
C. 2b
D. 8b


Answer: B

Mathematics

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Determine which numbers in the set are solutions to the equation.5x = 30; {6, 7, 150}

A. 150 B. 6 C. 7 D. none of them

Mathematics

From the graph of the parabola, determine whether the parabola opens upward or downward, and find the vertex, axis of symmetry, and range of the function. Find the maximum or minimum value of the function and the intervals on which the function is increasing or decreasing.

A. Down, (3, 9), x = 3, (-?, 9], max 9, inc (0, 9], dec (-?, 0] B. Down, (3, 9), x = 9, [3, ?), max 9, inc (-?, 3], dec [3, ?) C. Down, (3, 9), x = 9, [9, ?), max 9, inc (-?, 3], dec [3, ?) D. Down, (3, 9), x = 3, (-?, 9], max 9, inc (-?, 3], dec [3, ?)

Mathematics

Find the domain and the range for the function.

A. D: , R: 
B. D: , R: 
C. D: , R: 
D. D: All real numbers, R: 

Mathematics

Establish the identity.cot(2?)= 

What will be an ideal response?

Mathematics