The school cafeteria sells student lunches at 85 cents each and adult lunches at $2.75 each. one day the cafeteria sold 265 lunches and collected $272.75. how many adult lunches and how many student lunches were sold?

What situation is an example of an observational study

Which graph depicts the path of a projectile

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.