Solve for angle C please

Describe all the numbers that when rounded to the nearest thousand are 645,000

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. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.