Of a classroom filled with 20 students, 2 will be selected to stay after school and correct homework for extra credit. How many combinations are possible?

Dawn has 5/6 yard of lace. She uses 4/5 of it for a dress and the rest for a jewel box. How much lace does she use for the jewel box?

Jared has $32. He buys 5 packs of trading cards that cost $3 each and a display book that costs $7. Simplify the expression 32 - (5•3+7) to find how much jared has left

A car needs fixing and abe can tfix it for $70 per hour with $130 part, but gabe can fix it for $80 an hour with a $40 part. How long will it take for both abe and gabe to cost the same amount?

A 13-ounce package o pistachios costs $5.99. What is the unit rate?

Sofia is saving fan an Iphone. She starts off with $50 that her parents gave her. She plans to deposit $30 per month from her paycheck. Write an equation to represent how much money Susan has saved.

Solve the equation using the properties of equality. x/4 + 3 = 15

A triangle has two sides mausuring 8.5 cm and 15 CM. What are the least and greatest while number possibilities for the third side?

When Joanne checked her Work by substituting the value of the variable back into the equation she got an answer of 12.34 equals 12.

Evaluate - 6 - (-2). - 4 - 8 4 12

If a full dose of medicine is 560mg, how much is 80% of a dose