The cost of 3 apples and 7 tangerines is $2.10. Four apples and 3 tangerines cost $1.85. Set up the system of equations to find the cost of each apple and tangerine

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

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?