Becky orders pens from an office supply company. The table shows how many pens have black ink based on the total number of pens ordered Total Pens Pens with Black Ink 144 60 288 120 432 180 If 90 pens with black ink came in order, how many total pens were ordered? you will get 100 points just please hurry!

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.

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Find the solution to this system 2,1 1,-2 1,2 -1,2