Val's whole-house central air conditioner uses 3,000 watts when running. Val runs the AC 4 hours per summer day. Electricity costs (15 cents)/(1 kilowatt-hour). How much does Val's AC cost to run for a summer month of 30 days?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Pls never taught i’m really confused and i rlly need