70 ! pls

use the graph to evaluate the piecewise function at the given values.

1. f(-1)
2. f(2)
3. f(1)
4. f(-2)
5. f(0)

The circumference of a circle is 5 pi cm. what is the area of the circle?

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.