How long does it take an sr-71 blackbird, one of the fastest u. s jets ,to make a surveillance run of 7798 miles if it travels at an average speed of macg 3 (2228 mph)

Which best explains why this triangle is or is not a right triangle ?

The image of abc is a'b'c. what transformations would result in this image? abc is reflected over the line x = 1, then is rotated -90° around the origin. abc is reflected over the line y = x - 1, then t: (x, y) → (x - 1, y - 1). abc is rotated 90° around the origin, then is reflected over the y-axis. abc is rotated -90° around the origin, then is reflected over the line y = -1.

The perimeter of a regular pentagon is represented by the expression 35d-25. daryl correctly wrote expression to represent the one side of the pentagon