What is the expression in factored form? 16x^2+8x

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

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?

What is the prime factorization of 23 ?me with this question