A set of 7 numbers has a mean of 12. What additional number must be included in this set to create a new set with a mean that is 3 more than the mean of the original set?

A 7/16 inch bolt is used in a machine. what is the length of the bolt writtin as a decimal?

What is 10% of 200 is

A leak in a pool causes the height of the water to decrease by 0.25 ft before the leak is fixed. After the leak is fixed the height of the water is 4.75 feet. The equation 4.75=x + (-0.

one restaurant uses 5 quarts of soup to make 20 equal servings another restaurant uses 7 quarts of soup to make 25 people servings which restaurant has the larger servings of soup right division expressions to represent the number and then solve

350%as a decimal and as a mixed number or fraction in simplest form

If the first step in the solution of the equation - x 6=5-3x is "subtract 5," then what should the next step be

Chucky grabbed 11 items in the grocery store that each had a different price and had a mean cost of about $4.44. On his way to the register, he gave in to an impulse to add a 12th item: an entire wheel of cheese that cost $39.99

True of false: there is always one solution of a system of linear equations

What is the answer to 100b + 70?.

The sum of a number m and 7.1