Plzzz help asap Select the correct answer from each drop-down menu. Consider the function shown on the .

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.