In △bcd, d = 3, b = 5, and m∠d = 25°. what are the possible approximate measures of angle b?
a. only 90°
b. only 155°
c. 20° and 110°
d. 45° and 135°

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

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.