If Tina traveled 1,000 miles in 5 hours on her plane flight to her vacation destination, how fast was the plane traveling?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

The area of a circle is equal to 1 dm². find the radius of the circle.

I’m really confused and need to learn this