Erin walked 1 mile from her house to the library. along the way, she passed several places shown on the number line below. which place is 4/8 mile from erin's house? a. the fire station b. the parkc. the schoold. the market

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Find the ratios of the corresponding sides

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.