Express the sum in sigma notation: 1 - 3 + 9 - 27 + 81

A number is multiplied by 6, and that product is added to 3. The sum is equal to the product of 3 and 9. Find the number.

A pitcher of fruit punch holes 2 gallons of nine people share the entire pitcher equally how much punch does each person get?

How do you divide fractions

What is the slope of the line that is perpendicular to the line whose equation is 2x + y = 4.

What is 19 divided by 4,257

3 (4x - 2) = 10 + 10x

Read and follow the directions below. 1. Imagine a deck of 52 cards, ranging from twos through the face cards to aces, all in four equal suits-hearts, diamonds. clubs. and spades. 2. Remove all of the red suit cards. 3. Add back only the hearts. 4.

A train travels a total of 67km at a constant speed of 110km/h. How long is its journey? Give the answer in minutes and seconds to the nearest second.

Ann took a taxi home from the airport. the taxi fare was 2.10$ per mile, she gave the driver a 5$ tip, Ann paid a total of 49.10$. write an equations to show how many miles (m) she rode i n the taxi

A college conducted a survey to explore the academic interests and achievements of its students. It asked students to place checks beside the numbers of all the statements that were true of them.