Multiply. Express the answer as a single polynomial in standard form.4x4(2x5 - 7)
A. 8x9 - 7
B. 8x5 - 28
C. 8x9 - 28x4
D. -20x4
Answer: C
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Use the quadratic formula to solve the equation. Simplify any radicals.3n2 = -12n - 7
A. 
B. 
C. 
D. 
Solve the problem. Round your answer to 2 decimal places when necessary.In a given year, the population of a certain country is about 159 million. The overall birth rate is 15.8 births per 1000. The overall death rate is 10.8 deaths per 1000. If the population of the country increased by 1.04 million, what is the approximate net immigration to the country during this year?
A. 2 million B. 24,500 C. 245,000 D. 2613 million
Graph the function to find the stated characteristic of the graph.Graph f(t) = 4 sin (2?t) + -1 in 
by 
. State the amplitude.
A. 3 B. 4 C. -1 D. -4
Graph the decimal on a number line.6.13
A. 
B. 
C. 
D. 