Ordena de mayoy a menor 7/4, 3/5,10/5,7/7, 1/4​

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

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.