Why is the identity element of multiplication so important in fractions

Amanda thinks she has a different way to solve equations, by factoring the GCF out on both sides of the equation. Look at her work by solving the equation 3x+9=18

There are 20 students in the community service club. The club needs 4 officers: a president, a vice president, a secretary, and a treasurer. Which expression can you use to find the number of ways to choose the officers from all of the members?

The salary of two governing bodies in 2008 was $169.3 thousand, and has increased by approximately $4 thousand per year since then. How much will the salary be in year seven

Which of these transformations are isometries?

Type the correct answer in the box. A bowl contains 25 balls numbered 1 to 25. A ball is drawn and Its number is noted. Without replacing the first ball, another ball is drawn. The probability that the numbers on both balls are odd numbers is .

Three pens cost $1.80. how many pens can you buy for $6.

The Barga School frows lettuce and other vegies for school lunches. The school garden is 8.4 meters long and 6.4 meters wide. The section used to grow lettuce is 2.2 meters long and 0.8 meters wide.

In my number the digit in the ones place is double the digit in the tens place. the sum of the digits is 3

Determine the volume of a cube whith a side lenght of 4cm

In a team bike race, each biker has to ride exactly 50 miles. the team must complete 560 miles. how many miles must each biker travel?