What is the value of 2(x+y)-(x-z) ifx=2, y=1, and z=-3

Use set buikder notation to represent the following set: {, -2, -1, 0}

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

It says factor each expression 49x-28?