Which expression is equivalent to

3w+8w?

What is the perimeter of 2 1/2 and 5 1/3

Suppose you are making a bow from ribbon you want to make the bow as big as possible which length of ribbon should you use? 3/4 yard or 2/4 yards explain?

Among all pairs of numbers with a sum of 219, find the pair whose product is maximum. Write your answers as fractions reduced to lowest terms.

Is - 128/5 a terminating or repeating decimal?

Common difference between 3,8,13,18,23,28 ...

What is between 50 and 100

25% of 400 is equal to 20% of what

4n+6+n-2 what is the equivalent expression

Elissa sells two breeds of dogs, she has 110 feet of fencing to enclose two adjacent rectangle dog kennels, one for each breed. An existing fence is to form one side of the kennels. Express the total area of the two kennels as a function of x

Distribute 7 x (2+2x)