The width of a rectangle measures (10h-4)(10h−4) centimeters, and its length measures (9h-8)(9h−8) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles