Point a is located at (0, 7). after it is transformed, point a' is located at (0, -7). how was the point transformed
1. it was reflected in the x-axis
2. it was rotated 90° around the origin
3. it was reflected in the y-axis
4. it was rotated 270°

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Simplify the rational expression. state any restrictions on the variable. t^2-4t-12 / t-8 the / is a fraction sign.