Which is the same as multiplying a number by two?

A. subtracting a number from itself

B. adding 2 to a number

C. adding a number to itself

D. multiply a number by itself

Name the set or sets that each of the numbers below belongs to,-4,5/8,3; and-2.9

A model rocket is launched with an initial upward velocity of 73 m/s. The rocket's height (in meters) after t seconds is given by the following. h = 73t-5t^2 Find all values of t for which the rocket's height is 47 meters.

What does 'n' equal? (3n-7) / 6 = (2n+5) / 3

Solve the following when x=3 6x - 3x - 5.

If 20 tickets cost $27, what is the unit rate of tickets?

What is the y intercept of - 16t<2+150

Write word form for decimal 275.331

Ann works in a supermarket for $10 per hour if her pay is increased it to $12 then what is her percent change in pay

What is the surface area of the prism? A rectangular prism with a length of 3 meters, width of 4 meters, and height of 2 meters. [Not drawn to scale] 18 m2 24 m2 52 m2 64 m2

A ferris wheel is 10 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 2 minutes.