Which of the following expressions is equivalent to 3 + 3 • 12 ÷ 4 • 3? 1. 3 + 36 ÷ 4 • 3
2. 6 • 12 ÷ 4 • 3
3. 3 + 3 • 12 ÷ 12
4. 3 + 3 • 3 • 3

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

You use technology ans find a sum of 6.712e-8. write this sum in standard form