Find all values of t such that t+4/t+5 = t-5/2t

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

It says factor each expression 49x-28?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0