Triangle ABC is congruent to triangle DEF. If side AB is 3 units and side BC is 4 units, find the length of side DF.

3

4

5

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The poster is 25cm wide. how high is the poster

In a shipment of CD's to a music store, 5/8 of the CD's are pop and 1/4 of the CD's are country music. If there are 72 CD's in the shipment, how many CD's are either pop or country music?

What to numbers multiply to - 100 but add up to - 21?

The collection of all possible outcomes of a random phenomenon is called A. the sample space. B. the distribution. C. the probability. D. a census. E. None of the above.

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Simplify each sum or difference (5r^3+8) + (6r^3+3)

3*-18=42 Solve for x!

Express 432 as a product of prime factors

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Is a radius also a chord