If x-1/x =8, find the value of x^2+1/x^2

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?

Which shows the graph of the solution set of 3y – 2x > –18?

3x + 4y = 5 x- 3y = -7 solve by substitution