What is the perimeter of this equilateral triangle?

Equilateral triangle with one side labeled 18 centimeters.

centimeters

Can a 3 1/2 foot by 12 foot couch be placed against one of the long walls of the room without touching the carpet? Can a 3 1/2 foot by 12 foot couch be placed against one of the short walls of the room without touching the carpet?

On a Saturday, La petite bakery sold cupcakes, bagels, and rolls in the ratio of 12:5:7. The number of cupcakes sold was 50 more than the number of rolls sold.

What is y = 2x 5 in standard form?

Carter plans to wallpaper the longest wall in his living room. The wall is twice as long as it is high and has a area of 162 feet. What is the height of the wall

Which expression are equivalent to - 3 - (7.5+4)

43 centimeters converted into a decimal

A girl walks 5000 meters in 1 hour if the girl walks the same speed for 4 hours how many kilometers would you have walked

a restaurant chain ordered 3940 pounds of rice in 20 pound bags. About how many 20 pound bag of rice did the chain order?

You and your best friend Josh, each want to purchase a video gaming system the costs $200 you have $100 and save five dollars each week Josh has $50 in save $10 each week write the equation for you and Josh.

What is y = x - 8 y=5x