Toys r us is having a 38% off sale on all backpacks. if a backpack normally costs $22.00, how much will it be on sale?

Combine like terms to make a simpler expression 3z+z

Answer! if you don’t mind, can you explain

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.