Ebony had $55 in her savings account. She earns $7.50 per hour at her job. Which equation can be used to find the amount of money she has after x hours?

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Which one ? is the answer and how to find this answer

Abcd is a square. what is the measure of angle bac