What is the answer to 19-7+5

Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm^3. Show all calculations leading to an answer.

The perimeter of a rectangle is 58.8 km, and its diagonal length is 21 km. Find its length and width

A circular garden has a diameter of 20 yards. What is the area of the garden to the nearest square vard? Use 3.14 for a

The music teacher would like to have the same number of girls and of boys in the chorus. She finds that 5 8 of the chorus are girls but that if she can get 10 more boys, the chorus will have the same number of boys as of girls.

The greatest comen factor of 24 and 30

What is the equation of five more than 7 shell is s

Explain how you know wether to choose grams or kilograms when measuring mass. Name an object you would measure each unit.

You and your best friend want to go on a cruise to Alaska. You have done some research and discovered that it will cost $2800 for the plane tickets, all-inclusive cruise fare, and souvenirs. You have already saved $1900.

In a pizza eating contest, Darren ate 1/3 of an 18-inch pizza in 5/6 of a minute. What would be his unit rate of pizzas per minute eaten?

Jason and his mother are re-tilling the kitchen floor. The area of the kitchen floor is 96.75 square feet. Each tile has an area of 1.25 square feet. How many tiles wil Jason and his mother need to tile the kitchen