Which formula represents a linear function? A
area of a circle: A=πr^2
B
volume of a sphere: V=4/3πr^3
C
area of a square: A=s^2
D
circumference of a circle: C=2πr

Which of the following parabolas opens up?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?