Four light bulbs cost $3.20.how much does it cost to buy 14 light bulbs

What is the standard form of -5x^2+2x^4-11+x^3+3x

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.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?