Solve for a. Please
1+4a<9

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?