A sphere has a diameter of 28 millimeters. What is the circumference of the great circle? Use 3.14 for p. a. 43.96 millimeters b.87.92 millimeters c. 125.84 millimeters d.615.44 millimeters

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x