Solve by extracting square roots.x2 = 16
A. {4}
B. {4, -4}
C. {5, -5}
D. {8}
Answer: B
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Solve the problem. There are currently 52 million cars in a certain country, decreasing exponentially by 3.4% annually. How many years will it take for this country to have 22 million cars? Round to the nearest year.
A. 30 yr B. 100 yr C. 9 yr D. 25 yr
Determine whether or not the given pair of values is a solution of the given system.x = 2, y = -6x + y = -4x - y = 8
A. Yes B. No
The length l, width w and height h of a box change with time. At a certain instant the dimensions are l = 3 and w = h = 4, and l and w are increasing at a rate of 10 m/s while decreasing at a rate of 1 m/s. At that instant find the rates at which the surface area is changing.
What will be an ideal response?
Provide an appropriate response.Write the equation of the line shown on the graph.
A. y = 0 B. y = 5 C. x = 5 D. y = x + 5