Asporting goods stores sells 2 fishing reels and 5 fishing rods for 228. later, they sell 4 fishing reels and 7fishing rods for 444. find the price of each

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?

Could someone with number 1 and 2

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b