Jake is starting a pigeon washing company. He spends $300 to purchase supplies. He plans to charge $9 per pigeon wash. How many pigeons will Jake have to wash in order to start making money?

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?  

If point a= (10,4) and b= (2,19) what is the length of ab 17 units 15 units 23 units 12 units

Afamily eats at a restaurant. the bill is $42. the family leaves a tip and spends $49.77. a. how much was the tip in dollars? b. how much was the tip as a percentage of the bill?