Alexis is making cookies. the recipe says that she has to mix 192 grams of sugar into the flour. alexis knows that 1 cup of this particular sugar has a mass of 128 grams. how many cups does she need? edit: okay, i found it out for anyone wondering. it's 1 1/2 cups.

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75

Would greatly appreciate these 3 answers