Twelve of the 30 students in the class were boys if each students name is placed in the hat and one name is drawn what is the probability that it will be the name of a girl

Jennifer's grandmother buys carrots at the farm stand. She and her 3 grandchildren equally share the carrots. The total weight of the carrots is 28 kg. How many kg of carrots will Jennifer get?

Urn I contains 2 red balls and 2 white balls. Urn II contains 13 white balls. A ball is selected at random from urn I and placed in urn II. Then a ball is selected at random from urn II. What is the probability that the second ball is white?

A microwave oven is on sale for 20% off the original price of $79.50. find the sale price.

Gilbert bought 8 2/5 ounces of walnuts. The next day, he used 5 4/5 ounces of them in a recipe. How much is left?

Find the quotient 3/18 divided by 7/21

How can you use models to explain why 3.1=3.10?

Scientific notation for 82,300,000

Factor completely 12y+6

The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as measured from the planet's surface).

6. At a firefighters' pancake breakfast, the firefighters served 345 people and raised $1395. If the cost of a, an adult's ticket to the pancake breakfast, was $5 and the cost of c, a child's ticket, was $3, what was the number of adult tickets sold?