Researchers were testing out a new antibiotic on certain bacteria they started with 45,000 bacteria after one treatment with antibiotics 40,500 bacteria were left after her second treatment 36,450 bacteria were left how many treatments will it take to kill at least half the bacteria

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.