A small country had a population of 8.4 x 10^8 in 2010. Since then, the original population has doubled, and an additional 3.7 x 10^9 people have immigrated into the country. What is the population of the country now?

Add the two questions -6.5b + 11 and 3.3b - 2

In a classroom, 3/8 of the students are wearing blue shirts, and 1/4 are wearing white shirts. There are 24 students in the classroom. How many students are wearing shirts other than blue shirts or white shirts?

Beckys mother has three daughters. She named them penny and Nichole. What did she name the third daughter

How many students attend the school

If the rate 130 miles per 2 hours is reduced to a unit rate, the result is miles per hour. Answer here

What are the slope and the y-intercept of the linear function that is represented by the equation y=-10x+1? A. The slope is - 10, and the y-intercept is - 1. B. The slope is - 10, and the y-intercept is 1. C.

On a hot day a greengrocer places 20kg of courgettes on display. They are 99% water at that time. But at the end of the day, the courgettes were only 98% water. What is the weight of the courgettes at the ebd of the day?

Explain the role of zero pairs when simplifying and algebraic expression using algebra tiles. Use a mathematical property to justify your answer

Which expression is equivalent to four? A. (10 - 4) + 2 B. 10 - 4 + 2 C. 10 - (4 + 2) D. (10 - 4 + 2)

When 12.393 and t are added together, the result is 20.463. What is the value of t?