If a scale drawing uses a scale of 1: 12, wha't would 2 1/2 inches on the model represent in real life (in feet)?

30 feet
2 1/2 feet
4 4/5 feet
4/10 feet

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o