A sixth-grade student bought three can of tennis balls for $4 each. Sales tax for all three can was $.95. Write an expression to show the total amount the student paid.

Dance lessons cost $198.75 for 15 classes What is the cost per class? What would the cost be for 25 classes?

All members of our painting team paint at the same rate. If $8$ members can paint a specific wall in $36$ minutes, then how long would it take $18$ members to paint the same wall, in minutes?

What is the expanded notation for 231.856

Simplify 3^-6 * (3^4 : 3^0) ^2

821x54 in an area model

How do you simplify equations

Which fraction is greater than 1/2

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Neil is currently twice the age of his brother when Neil was born. The sum of their ages will be 98 when Neil is as old as his brother's current age. How old are they?

Evaluate 4x + 6 for x = 3.