Use a proportion to convert the measurement. Round your answer to two decimal places. 80 liters ≈
gallons

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

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

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c