One vertex of a polygon is located at (3,-2). After a rotation, the vertex is located at (2, 3).
Which transformations could have taken place? Select
two options.
Ro, 90°
DR0, 180°
UR0, 270°
UR0, 90°
Ro, -270°

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.

Find the arc length of the semicircle. 7the grade

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false