Sum of the multiples of 3 and the multiples of 4 but not the multiples of 3 & 4 up to 1000?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping