Triangle XYZ is rotated 90° counterclockwise about the origin. What are the coordinates of point Y’?
(4, –2)
(1, 4)
(–4, 1)
(–1, –4)

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Which expression converts 45 degree to radians