During the late 1800s, pollution in cities was caused partly by horses, coal, and inadequate sewer systems. state true or false ?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?