16\.\* Show that a. sin( π 2 + iy) = 1 2 (ey + e−y ) = cosh y b. |sin z| ≥ 1 at all points on the square with vertices ±(N + 1 2 )π ± (N + 1 2 )πi, for any positive integer N. c. |sin z|→[infinity], as Imz = y → ±[infinity].

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

597008.439431 to the nearest thousand