Find the first two terms of an arithmetic sequence if the sixth term is 21 and the sum of the first seventeen terms is 0.

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Find the area of the regular hexagon if a side is 20 cm.

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?