11.3.19 Find the surface area of the cone in terms of u. 11 cm 10 cm The surface area of the cone is cm2 (Simplify your answer. Type an exact answer in terms of t.) ​

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

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?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x