There are 20 more dogs at the pet store than cats. If there are 7 cats, which equation can be used to find the number of dogs, d, at the pet store?

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?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10