How are these 2 equations equivalent?

3 (a+b)

3a+3b

452 divided by 17,628

An artist agrees to paint a painting at $0.30 per square inch the painting is 13 in by 16 in how much would it cost

Alan is hiking a 70 mile long trail. After a few days his distance from the trails beginning is four time as far he is from the trails end. What's the distance Alan still has to hike?

How many degrees does each angle of an equilateral triangle measure?

The manager of Extreme Video Games keeps track of the profits the company earned after releasing one of its latest games. During the first week, the game profits were $15,000. In the second week, the profits grew to $22,500.

in a survey of 3419 adults aged 57 through 85 years, it was found that 83.9% of them used at least one prescribed medication

24% of 289 equals estimate using a rate per 100

Parse the regular hexagon, and tell how much regular unit triangle do you find, if the length of one side of the regular hexagon is n unit (s) :

What is the number rounded to the nearest tenth of 15.839

What is not equivalent to 36/72