Sophia was out at a restaurant for dinner when the bill came. Her dinner came to $22. She wanted to leave a 21% tip. How much was her meal plus the tip, before tax, in dollars and cents?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

The square root of 9x plus 7 plus the square rot of 2x equall to 7