Suppose 40 percent of Senegal's population speaks Wolof as a first language. If that's about 5 million people, approximately what is Senegal's population? Express your answer in scientific notation

1. If the length of a rectangle is decreased by 4 cm and the width is increased by 5 cm, the result will be a square, the area of which will be 40 cm2 greater than the area of the rectangle. Find the area of the rectangle. 2.

Giovanna owns a farm. She is going to randomly select one animal to present at the state fair. She has 6 pigs, 7chickens, and 10 cows. What is P (chicken}) If necessary, round your answer to 2decimal places.

4.26 as a mixed number in simplest form

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What does 79 tens + 10 tens=

Which statement is correct? The range of the graph is all real numbers less than or equal to 0. The domain of the graph is all real numbers less than or equal to 0. The domain and range of the graph are the same.

In which type of triangle do the three altitudes intersect outside of the triangle?

I need to simplify this expression : 3.2 + (b + 5.7)

What is the standard form of 2x-8y=16

What would 6x-4=10 be?