50% of what number is 140

A country's population in 1991 was 26 million. In 1999 it was 28 million. Estimate the population in 2006 using the exponential growth formula. Round your answer to the nearest million. P = Aekt

What is the average rate of change of f (x) = 7-8x; x=-2, x=4?

Jason owes $15 for last month's gas bill also. The total amount of the two gas bills is split evenly among the 4 roommates.

What are 3 ways that have the same value as 75% of 96

What is 8750 rounded off to the nearest hundred

A television that was originally marked $199.95 is now 25% off. Write a linear expression for the new cost of the television. Then calculate the sale price of it. A. c - 0.25c; $49.99 B. c + 0.25c; $249.94 C. c - 0.25c; $149.96 D. c + 0.25c; $149.96

What's the addictive inverse of 4x - 5

A stack of boards is 21 inches high. Each board is 1 and 3/4 inches thick. How many boards are there?

There are 90 students in Grade 5, and 10% of them were absent today. In Grade 6, 15% of the 80 students were absent today. What was the total number of students in the two grades who were present today?

Solve for x: 4 (3x + 12) = - 36 x =