A store is having a 40% off sale. Michelle says that she can find the sale price of an item that has a regular price of p by evaluating the expression 0.4p. Sam says that he can find the sale price for the same item by evaluating the expression p – 0.6p. Who is correct? a) Neither is correct
b) Michelle
c) Same
d) Both are correct

What is the circumference of a circle with an area of 50.24 cm²?

Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.

In a quadratic function of the form ax^2+bx+c, which of the following is not true? a. the y-intercept is c. b. if a is positive, the parabola opens up. c. the vertex has an x-coordinate of -b/2a. d. the axis of symmetry is the line y=-b/2a.