Are these numbers linear or nonlinear? 1. 5, 10, 15, and 20
2. 13, 28, 43, and 58
3. 1, 3, 5, and 7
4. -2, -18, -50, and -98

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1