What property states that any element is equivalent to itself?

Linear System Word Problem - Trees A gardener is planting two types of trees: Type A is 3 feet tall and grows at a rate of 13 inches per year. Type B is 10 feet tall and grows at a rate of 6 inches per year.

A police officer seals off the scene of an accident using a roll of yellow tape that is 368 feet long. What dimensions should be used to seal off the maximum rectangular area around the collision?

Simplify the following expression. 16x^6-12x^4+2x^2 / _2x^2

The sum of the angles in the triangle on the swing set is 180 use this fact to write an equation containing x, if a=65. How can I make an equation

The difference between twice a number and half the number is 30. What is the number

A father and son are digging a garden that is 7 feet long and 5 feet wide. the father, working alone, can dig the garden in 3 hours. the son can do the job in 4 hours.

What is 3060 divided by 36?

In the local coed softball league the male to female ratio is 6:6 if there are a 160 players in the league how many are female

A car travels 3 hours at 50mph; then travels 40mph for 7 hours. How many miles does it travel during the 10 hours?

A total of 449 tickets were sold for the school play. they were either adult tickets or student tickets. there were 51 fewer student tickets sold than adult tickets. how many adult tickets were sold?