Prove the identity. [Hint: Let u = tan−1(x) and v = tan−1(y), so that x = tan(u) and y = tan(v). Use an Addition Formula to find tan(u + v).] (Enter your answers in terms of u and v.) tan−1 x + y 1 − xy = tan−1(x) + tan−1(y), −1 < x < 1, −1 < y < 1

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?

Simplify the expression 10/11(22z) + (a+5) -1

On a piece of paper, graph y< x-1. then determine which answer choicematches the graph you drew.13. z3. 2(3.290-1)