Write a number eighteen in another way

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices

Below are two different functions, f(x) and g(x). what can be determined about their slopes? f(x)= −1x + 1 the function g(x) going through 0, 3 and 1, 1