Combine the like terms to create an equivalent expression.

7n+4n

At the market, Joey buys 3 avocados for $0.40 each and 5 lemons for $0.40 each. The cashier in training rings up 3 * 0.40 and then 5 * 0.40 to get the total. The experienced cashier says to add the 3 plus 5 in his head and then ring up 8 * 0.

1 A rational number is an irrational number 3) A negative number is an integer.

Karyn knits a sweater at an average rate of 1.5 inches per evening. Four days after she first notes her rate, the sweater is 10 inches long. Let L (t) be the length of the sweater t days after having been started.

The population in a city in 2005 was 18000. by 2010, the city's population had grown to45000. ecomomists have determined that the population growth follows an exponential mode. if they are correct what is the projected population for 2015

Camille buys $50 worth of books at Target. She has a coupon for 10% off her entire purchase. What is the total cost of the books after the coupon is applied?

Which choice correctly describes this event? I will roll a standard die and land on 0. A) Certain B) Likely C) Unlikely D) Impossible

1) A survey of favorite colors showed 198 people chose green, 212 chose blue, and 187 chose red. If 39% of the people surveyed are children, ABOUT how many people surveyed were children? (use a calculator - show all work!)

Clarence writes the number - 240 to represent the amount he owes his brother Joe. What numbers should Clarence use to represent the other amounts given above?

What is the sum of - 7 and its additive inverse?

Create a slope that will be parallel to the slope provided which is 5/9 what is the parallel slope?