What symbols are used to indicated statements?

Given: 2x + 11 = 15 Prove: x = 2 Statements Reason 1. 2x + 11 = 15 1. Given 2. 2x = 4 2. 3. X = 2 3. Division Property of Equality

There are 7 coins that look identical. One of the seven coins weighs slightly less than the other 6. Using a balance scale, how could you determine which is the lightest coin in just 2 weighings?

Suppose a bag contains 5 balls numbered 1 through 5. In how many ways can you select 5 balls from the bag if you replace the ball after each selection?

Elisa has 6 1/4 pounds of flour. She would like to divide the flour equally into 5 bags. How much flour will be in each bag? 1 1/4 11 1/4 31 1/4

What is the anwser to 500+12344356 = and why

you need 418 yards of blue silk to make one bridesmaid's dress and 358 yards of the same fabric to make another. How many yards of blue silk do you need to make both dresses?

What is the answer to x/3-9=-5

One of the highest snowfall rates ever recorded was in silver lake, colorado, in april 1921, when just over 7 feet of snow fell in 27.5 hours. what was the rate in inches per hour

On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.

How do you solve 6/7=y-3/7?