What is k = ?

1/2 miles per hour

100 hours per mile

50 miles per hour

The system of equations graphed below has how many solutions?

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

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.