A. {(-1, 6), (1, 3), (2, 5), (1, 7)} B. {(-1, 2), (0,5), (5, 0), (2, -1)} C. {(4, 7), (2, 1), (-3, 6), (3, 4)} D. {(1, 5), (2, 6), (3, 6), (4, 7) witch set of ordered pairs dosnt represent a function​

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°