Solve pls brainliest

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

Find cot x if sin x cot x csc x = √2

Let x = a + bi and y = c + di and z = f + gi. which statements are true?