Factorise the following algebraic expression:n² - 4

There are a total of 20 lions, tigers, and bears. If the number of tigers is two more than the number of lions and the number of bears is one more than the number of tigers, find the number of each.

What is bigger 4,000mg or 5g

What is the greatest number of y-intercepts a line can have? Explain

A store owner bought hats for 6.50 each and sold them for 12.00 the overhead was 2.50. What was the profit on each hat?

A tractor requires 4 gallons of diesel fuel to plow for 90 minutes. how many gallons of fuel would be required to plow for 8 hours

Polynomial fx is divided by x-c what can you conclude if the remainder is 0

Henry is four times older than James. Next year, Henry will be three times older than James will be. How old are Henry and James now? a. James is 3 years old; Henry is 4 years old. b. Henry is 4 years old; James is 3 years old. c.

Wayne and Winston are scuba diving and are ascending to the surface. The function y = 30x - 105 represents Wayne's elevation in feet in terms of the time in minutes he ascends.

What is 470,000 in scientific notation

Why do you suppose the United States still uses the English System for everyday measurements, while almost every other country uses Sl? Give several possible reasons