What is the estimated sum? round each addend to the nearest thousand before adding. 75,364 + 472,756 . a. 550,000 b. 548,000 c. 545,000 d. 540,000

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

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

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.