Gretchen bought some large vases for $11 each and some small vases for $7 each on clearance. If she bought 18 vases for $142, how many large vases, and small vases did she buy?

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction