The half-life of uranium-238 is 4.5 x 10*9 years. the half-life uranium-238 is 2.5 x 10*5 years. How many times greater is the half-life uranium-238 than that of uranium-234?

What is the slope of the line shown below?

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

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.