The amount of a radioactive isotope decays in half every year. the amount of the isotope can be modeled by f(x) = 346(one half)x and f(1) = 173. what does the one half represent?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in