Write in simplified radical form.

2/44√

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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Find the domain and range of the following function f(x) = 51x - 21+ 4