You pay $18.00 for 30 text messages. At the same rate, how much would 12 text messages cost? *

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?

Which of the following is correct interpretation of the expression -4+13

Which of the following is true for the relation f(x)=2x^2+1