4. Charlotte Grady's average monthly expenditure for groceries the first quarter this year was
$297.80. She spent $212.56 in April and $435.40 in May. How much can she spend in June
to have the same average as she did in the first quarter? Find the average monthly
expenditure?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

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