Can someone please answer this ?
Graph y < 1 − 3x.

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.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.