Find the prime factorization of the number.224

A. 14 ? 4 ? 4
B. 2 ? 2 ? 4 ? 4 ? 7
C. 2 ? 4 ? 7
D. 2 ? 4 ? 4 ? 7


Answer: D

Mathematics

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Write a system of equations for the problem, and then solve the system.Two trains start from towns 572miles apart and travel toward each other on parallel tracks. They pass each other 5.5 hours later. If one train travels 18 mph faster than the other, find the speed of each train.

A. 63 mph; 41 mph B. 61 mph; 43mph C. 51 mph; 53 mph D. 56 mph; 48 mph

Mathematics

Use words such as linear, quadratic, cubic, polynomial, degree, one variable, and two variables to describe the expression.6x + 9

A. Linear, not a polynomial B. Linear (1st degree) polynomial in one variable C. Linear (1st degree) polynomial in two variables D. Quadratic (2nd degree) polynomial in one variable

Mathematics

Write the equation of a sine function that has the given characteristics.Amplitude: 2Period: ?Phase Shift: 

A. y = sin(2x + 5)
B. y = 2 sin(2x - 5)
C. y = 2 sin
D. y = 2 sin

Mathematics