If ΔABC has vertices A (3, –1), B (2, 1), and C (5, 3), find vertices of its image ΔA′B′C′ after dilation with a scale factor of 2 about the origin. answers: A) A′ (3∕2, 1∕2), B′ (1, 1∕2), C′ (5∕2, 3∕5) B) A′ (6, –2), B′ (4, 2), C′ (10, 6) C) A′ (6, 2), B′ (2, 2), C′ (10, 6) D) A′ (6, 2), B′ (4, 2), C′ (10, 6)

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Can someone me out here and the tell me the greatest common factor