Translate verbal phrases into mathematical expressions 1. The difference of gross sales and total sales
2. The sum of two numbers of less 11
3. Three fourths of 500

Thankyo !

Answer this question only if you know the answer! 30 points and

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.