jordan brought her office lunch from Danny's subs amd salads. the forst day she picked up 4 subs and 8 salads that cost 59.00. the next day she picked up 10 subs and 2 salads for 48.50. if no tax was added to rhe cost of the food, how much is each sub ?

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.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.