Given the radius and area of the circle, calculate the angle at the centre of the circle. Radius : 21 m
Area of the circle : 27.72 m^2​

What is the slope of a line that is perpendicular to y = 3x + 1

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2