Which of these graphs represents a function? A. W
B. X
C. Y
D. Z

please help me

Which of the following expressions is equal to 2x^2+8

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.

What’s the volume of the triangular prism?