PLEASE TELL ME WHOLE WORKING

-1/2 + (-3/4)

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?