erica paid $753.95 for dance classes. She paid $123.95 registration fee and $45 for each week. What is w, the number of weeks erica was enrolled in dance classes?

What is 78 million in scientic notation?

A grocery store sells three different quantities of sugar. A 1 pound bag cost $1.10, a 2pound bag cost $1.98, and a three pound bag is $2.85. Describe how the unit cost changes as the quantity of sugar increases.

What is the distance between (5.75,0) and (-5.75,0)

Cara bought a DVD for $22 and a CD for less than the cost of the DVD let C represent the the cost of the CD write an inequality to show the cost of the CD

Find the polynomial standard form of - 5q^2 (-q-5)

June has 42 Sports books 85 mystery books and 69 nature books she arranges her books equally on 7 shelves How many books are on each Shelf

How many times will 1/4 go into 6 7/10

At present a man is 5 times as old as his son, in 13 years time he will be three times as old as his son. Find the man's present age?

Carol makes 9 1/2 cup of snack mix and puts 2/3 snack mix in bags, how many bags does she make

Is 7/13 equal to 8/14