20 points The ratio of blue marbles to red marbles in a bag is 11:9. If there are 99 blue
marbles in the bag, how many red marbles are there?
18
35
81
121

Write the fraction or mixed number and the decimal shown by the model

Which shows the graph of the solution set of 3y – 2x > –18?

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