A city of 100,000 is having pollution problems and is decreasing in size 2% annually (every year). Find

the population of this city in 100 years.

Find the difference. (4-5y) - 2 (3.5y-8)

Paula invests £4500 in a savings account that pays n% simple interest per annum. At the end of six years their is £5025 in the account. Find the value of n

Which of the following sets could be represented by the given Venn diagram? S = {multiples of 4} T = {8, 12, 20} S = {Mercury, Venus, Earth, Mars} T = {planets in our solar system} S = {reptiles} T = {mammals} S = {prime numbers less than 10} T =

How many shelves will display 2 cars if 8 of the shelves each display 1 car

Michael puts 21 sports cards into stacks of 3. The answer is 7. What's the question?

Y=-3x+4; x=2y+6 solve by substitution

An Air Force intercept squadron consists of 16 planes that should always be ready for immediate launch. However, there is a probability of 0.25 that the engines of a particular plane will not start at a given attempt.

Miguel, Dean, and Joshua were candidates in an election in which 1,000 people voted. Joshua won the election, receiving 95 votes more than Dean and 186 votes more than Miguel. How many votes did Dean receive?

3w = 30 ... What is the solution of this equation?

Good Earth, a company manufacturing packaged food products, sets up its stores in Baltonia. However, a year later, the company closes the store down due to high operating costs.