Nina wants to download games for her video game console. older games costs 500 points and new releases cost 1500 points. nina has 15000 points to use. the equation 500a+1500b=15000, where a is the number of older games and b is the number of new releases, models the situation. how many older games can she download if she downloads three new games?

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?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

What is the factored form of the following expressions? d^2 – 13d + 36