Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(4x
- 
)(
- 
)
A. 4x2 - 4x + 10
B. 4x2 + 10
C. 4x2 - 3x
+ 10
D. 4x2 - 4x
- 
+ 10
Answer: D
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Use least common multiple or greatest common divisor to solve the problem.Rob can complete his bus route in 4 hours. Joan can complete her bus route in 2 hours. If they both left the terminal at 3:00 am and after each completed route returned to the terminal, determine the next time they would leave the terminal at the same time.
A. 5:00 am B. 7:00 am C. 11:00 am D. Not enough information given to tell
Solve the problem.Find the perimeter of the polygon with the following vertices. Round to the nearest hundredth. A(1, 1), B(2, 5), C(5, 4), D(4, 2), E(3, 2)
A. 10.52 B. 12.76 C. 11.52 D. 14.64
Answer the question.The table shows the number of pupils per teacher in selected states.
Which states have a figure that is at most 14.7?
A. Alaska, California, Idaho B. Alaska, Texas, California, Idaho C. Wyoming, Maine, Missouri D. Texas, Wyoming, Maine, Missouri
Simplify each side of the equation, if possible. Then solve the equation.
- 3 - 2 + 15 = 
- 4n + 7 + 5n
A. n = -9 B. n = -15 C. n = -29 D. n = 9