Bryan's progress report during the 3rd Nine Weeks was 70% in Math. Bryan's grade improved over the next 3 weeks to 90% by report card. Explain in writing (typing) the steps needed to find his percent increase. (Remember to write 5 or more complete sentences.)

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample