Simplify - 23b4 + (-7b4)

22 less than the quotient of an unknown number and 35 is - 25

You purchase an item to sell in your store. The item costs you $6.45. You mark the item up 20%, but later run the item on sale at 5% off the marked price.

What percent of 200 is 90

Write in the product of 2 factors ab-ac

Using the given convention factors, how many euros equal 150 USD?

Last year there were 15 porcelain dolls in Lanny's collection, after trading for a rare doll, she now has 12 dolls. What is the percent decrease of her collection?

How do you know if a number can be divided by 10 evenly?

Ahmad rented a movie. He started the movie at : 1135 AM and it ended at : 225 PM. How long was the movie?

The length and width of a rectanlge are in the ratio 5:3. The perimeter of the rectanlge is 32 cm. What is the length and width?

Volume is an unreliable measurement because A. there's no standard size of measuring cup or spoon. B. solids can't be measured accurately by volume. C. food expands or contracts in different temperatures. D. gas weighs less than liquid.