Which set best represents the positive integers? O A. {1, 2, 3, 4, ...)
OB. {0, 1, 2, 3, 4, ...)
O C. {..., -4, -3, -2, -1}
D. {..., -3, -2,-1, 0, 1, 2, 3, ...)-

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

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.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?