Select the correct answer.

vertex a in quadrilateral abcd lies at (-3, 2). if you rotate abcd 180° clockwise about the origin, what will be the coordinates of a′ of the rotated quadrilateral a′b′c′d′?

a.
(3, -2)

b.
(-3, 2)

c.
(-2, 3)

d.
(-3, -2)

How do you solving the solution of each system using elimination?

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.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.