The formula C=3.14d can be used to approximate the circumference of a circle given its diameter. Company A sells a certain washer with an outside circumference of 3 centimeters. The company has decided that a washer whose actual circumference is in the interval 2.9 ≤ C ≤ 3.1 centimeters is acceptable. Use a compound inequality and find the corresponding interval for diameters of these washers.

Plz answer asap plz which is a solution to the equation 4b2 − 11b = 28 + 5b2? a) −5 b) −4 c) −3 d) 4

What is sin 7x/4 ? i need on this urgent trig

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.