Write the recursive formula for -34, -38, -42, -46, -50 ...

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?

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Write the equations in logarithmic form 7^3=343