1875 messages because she already sended 1600 messages which is $10 so u subtract 10 from 92.50 which equals 82.50 which divided by .30 is 275 messages and 275 plus 1600 is 1875.
Well, if the denominator is 100, then the numerator is obviously 83.
Square root of 20 = 4,472135954999579
To the nearest tenth: 4,5
Y=65x+5, i think but I don’t know for sure