The coordinates of the vertices of RST are R(-4,-5) S(0,-5) and T(-2,4) is reflected across the -axis to create /, find the coordinates of S'.

Does the point (1, sqrt 7) lie on circle shown.

Find the domain and range of the following function f(x) = 51x - 21+ 4

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.