In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5. sin26∘≈0.44
cos26∘≈0.90
tan26∘≈0.49

What is the measurement of EF?
If necessary, round your answer to two decimal places, like this: 42.53

Which statements regarding the diagram are true? check all that apply.

For each proportion find the unknown number x 1/5/8=×/15

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.