Woda płynąca z kranu a napełnia zbiornik w ciągu 6 h. by napełnić ten sam zbiornik woda płynącą tylko z kranu b potrzeba 9 h. ile czasu zajmie napełnienie zbiornika jeśli kran b odkręcono 4h po odkręceniu kranu a ?

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Aline passes through 3,7 and 6,9 what equation represents the line