Solve for x using an equivalent exponential expression.A partial map of a state in a road atlas covers a square area of 25,600 square miles. What is the length of each side of the square area?
A. 160 mi
B. 256 mi
C. 16 mi
D. 6,400 mi
Answer: A
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Solve.Linda bought a parcel of land for $70,000. Its value is expected to increase by about $600 per year. Her sister, Sally, bought a house for $230,000. The value of Sally's house is expected to increase by about $1700 per year. Write an expression that represents the combined value of Linda's land and Sally's house after x years.
A. (2300x + 300,000) dollars B. (70,600 + 231,700x) dollars C. (70,600x + 231,700) dollars D. (300,000x + 2300) dollars
Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the circumference.
A. 13.2 cm B. 6.6 cm C. 13.8 cm D. 26.4 cm
Determine whether the given ordered set of numbers is a solution of the system of equations.(6, -2)x + y = 4x - y = 8
A. No B. Yes
Factor the perfect square.x2 - 4x + 4
A. (x - 2)(x + 2) B. (x - 4)(x + 4) C. (x - 2)2 D. (x + 2)2