Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 11 minutes, the bell is at a depth of 300 feet. After 35 minutes the bell is at a depth of 1500 feet. What is the average rate of lowering per minute? Round your answer to the nearest tenth.
A. 42.9 ft per min B. 50.0 ft per min C. 0.02 ft per min D. 34.3 ft per min
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 15x - 6
A. (-13, -6) ; x = -13
B. (15, 444) ; x = 15
C. 
; x = 
D. 
; x = - 
Find a complex number w satisfying the conditions. z = 2 - 3i, 
= 8
, 
= 
, Re{w} < 0
A. w = -16 + 24i B. w = 16 - 24i C. w = -16 - 24i D. w = 16 + 24i
The following is a graph of a polynomial function. State whether the degree of the polynomial is even or odd, and give the sign (+ or -) for the leading coefficient.
A. Degree is even; + B. Degree is odd; - C. Degree is even; - D. Can't identify degree; -